Amateur radio known as ham radio, describes the use of radio frequency spectrum for purposes of non-commercial exchange of messages, wireless experimentation, self-training, private recreation, radiosport and emergency communication. The term "amateur" is used to specify "a duly authorised person interested in radioelectric practice with a purely personal aim and without pecuniary interest; the amateur radio service is established by the International Telecommunication Union through the Radio Regulations. National governments regulate technical and operational characteristics of transmissions and issue individual stations licenses with an identifying call sign. Prospective amateur operators are tested for their understanding of key concepts in electronics and the host government's radio regulations. Radio amateurs use a variety of voice, text and data communications modes and have access to frequency allocations throughout the RF spectrum; this enables communication across a city, country, the world, or into space.
In many countries, amateur radio operators may send, receive, or relay radio communications between computers or transceivers connected to secure virtual private networks on the Internet. Amateur radio is represented and coordinated by the International Amateur Radio Union, organized in three regions and has as its members the national amateur radio societies which exist in most countries. According to an estimate made in 2011 by the American Radio Relay League, two million people throughout the world are involved with amateur radio. About 830,000 amateur radio stations are located in IARU Region 2 followed by IARU Region 3 with about 750,000 stations. A smaller number, about 400,000, are located in IARU Region 1; the origins of amateur radio can be traced to the late 19th century, but amateur radio as practiced today began in the early 20th century. The First Annual Official Wireless Blue Book of the Wireless Association of America, produced in 1909, contains a list of amateur radio stations.
This radio callbook lists wireless telegraph stations in Canada and the United States, including 89 amateur radio stations. As with radio in general, amateur radio was associated with various amateur experimenters and hobbyists. Amateur radio enthusiasts have contributed to science, engineering and social services. Research by amateur operators has founded new industries, built economies, empowered nations, saved lives in times of emergency. Ham radio can be used in the classroom to teach English, map skills, math and computer skills; the term "ham" was first a pejorative term used in professional wired telegraphy during the 19th century, to mock operators with poor Morse code sending skills. This term continued to be used after the invention of radio and the proliferation of amateur experimentation with wireless telegraphy; the use of "ham" meaning "amateurish or unskilled" survives today in other disciplines. The amateur radio community subsequently began to reclaim the word as a label of pride, by the mid-20th century it had lost its pejorative meaning.
Although not an acronym, it is mistakenly written as "HAM" in capital letters. The many facets of amateur radio attract practitioners with a wide range of interests. Many amateurs begin with a fascination of radio communication and combine other personal interests to make pursuit of the hobby rewarding; some of the focal areas amateurs pursue include radio contesting, radio propagation study, public service communication, technical experimentation, computer networking. Amateur radio operators use various modes of transmission to communicate; the two most common modes for voice transmissions are single sideband. FM offers high quality audio signals, while SSB is better at long distance communication when bandwidth is restricted. Radiotelegraphy using Morse code known as "CW" from "continuous wave", is the wireless extension of landline telegraphy developed by Samuel Morse and dates to the earliest days of radio. Although computer-based modes and methods have replaced CW for commercial and military applications, many amateur radio operators still enjoy using the CW mode—particularly on the shortwave bands and for experimental work, such as earth-moon-earth communication, because of its inherent signal-to-noise ratio advantages.
Morse, using internationally agreed message encodings such as the Q code, enables communication between amateurs who speak different languages. It is popular with homebrewers and in particular with "QRP" or very-low-power enthusiasts, as CW-only transmitters are simpler to construct, the human ear-brain signal processing system can pull weak CW signals out of the noise where voice signals would be inaudible. A similar "legacy" mode popular with home constructors is amplitude modulation, pursued by many vintage amateur radio enthusiasts and aficionados of vacuum tube technology. Demonstrating a proficiency in Morse code was for many years a requirement to obtain an amateur license to transmit on frequencies below 30 MHz. Following changes in international regulations in 2003, countries are no longer required to demand proficiency; the United States Federal
American Theater (World War II)
The American Theater describes a series of minor areas of operations during World War II within mainland North America and South America. This was due to both North and South America's geographical separation from the central theaters of conflict in Europe, the Pacific, Asia. Thus, any full-scale threat by the Axis Powers to invade the continental United States or other areas within mainland North and South Americas was considered negligible, allowing for American resources to be deployed in overseas theaters; this article includes attacks on continental territory, extending 200 miles into the ocean, today under the sovereignty of Canada, the United States and several other smaller states. The best known events in North America during World War II were the Aleutian Islands Campaign, the Battle of the St. Lawrence, the attacks on Newfoundland; the first naval battle during the war was fought on December 13, 1939, off the Atlantic coast of South America. The German "pocket battleship" Admiral Graf Spee encountered one of the British naval units searching for her.
Composed of three Royal Navy cruisers, HMS Exeter and Achilles, the unit was patrolling off the River Plate estuary of Argentina and Uruguay. In a bloody engagement, Admiral Graf Spee repulsed the British attacks. Captain Hans Langsdorff brought his damaged ship to shelter in neutral Uruguay for repairs. However, British intelligence deceived Langsdorff into believing that a much superior British force had now gathered to wait for him, he scuttled his ship at Montevideo to save his crew's lives before committing suicide. German combat losses were 28 wounded. Two Royal Navy cruisers had been damaged. U-boat operations in the region began in autumn 1940. After negotiations with Brazilian Foreign Minister Osvaldo Aranha, the U. S. introduced its Air Force along Brazil's coast in the second half of 1941. Germany and Italy subsequently extended their submarine attacks to include Brazilian ships wherever they were, from April 1942 were found in Brazilian waters. On 22 May 1942, the first Brazilian attack was carried out by Brazilian Air Force aircraft on the Italian submarine Barbarigo.
After a series of attacks on merchant vessels off the Brazilian coast by U-507, Brazil entered the war on 22 August 1942, offering an important addition to the Allied strategic position in the South Atlantic. Although the Brazilian Navy was small, it had modern minelayers suitable for coastal convoy escort and aircraft which needed only small modifications to become suitable for maritime patrol. During its three years of war in Caribbean and South Atlantic, alone and in conjunction with the U. S. Brazil escorted 3,167 ships in 614 convoys, totalling 16,500,000 tons, with losses of 0.1%. Brazil saw three of 486 men killed in action. American and Brazilian air and naval forces worked together until the end of the Battle. One example was the sinking of U-199 in July 1943, by a coordinated action of Brazilian and American aircraft. Only in Brazilian waters, eleven other Axis submarines were known sunk between January and September 1943—the Italian Archimede and ten German boats: U-128, U-161, U-164, U-507, U-513, U-590, U-591, U-598, U-604, U-662.
By fall 1943, the decreasing number of Allied shipping losses in South Atlantic coincided with the increasing elimination of Axis submarines operating there. From the battle in the region was lost for Germans with the most of remaining submarines in the region receiving official order of withdrawal only in August of the following year, with the last Allied merchant ship sunk by a U-boat there, on 10 March 1945. Before the war, a large Nazi spy ring was found operating in the United States; the Duquesne Spy Ring is still the largest espionage case in United States history that ended in convictions. The 33 German agents who formed the Duquesne spy ring were placed in key jobs in the United States to get information that could be used in the event of war and to carry out acts of sabotage. One man used his position to get information from his customers; the ring was led by Captain Fritz Joubert Duquesne, a South African Boer who spied for Germany in both World Wars and is best known as "The man who killed Kitchener" after he was awarded the Iron Cross for his key role in the sabotage and sinking of HMS Hampshire in 1916.
William G. Sebold, a double agent for the United States, was a major factor in the FBI's successful resolution of this case. For nearly two years, Sebold ran a secret radio station in New York for the ring. Sebold provided the FBI with information on what Germany was sending to its spies in the United States while allowing the FBI to control the information, being transmitted to Germany. On June 29, 1941, six months before the U. S. declared war, the FBI acted. All 33 spies were arrested, found or plead guilty, sentenced to serve a total of over 300 years in prison. After declaring war on the United States following the attack on Pearl Harbor, Adolf Hitler ordered the remaining German saboteurs to wreak havoc on America; the responsibility for carrying this out was given to German Intelligence. In the spr
A fortification is a military construction or building designed for the defense of territories in warfare, is used to solidify rule in a region during peacetime. The term is derived from the Latin fortis and facere. From early history to modern times, walls have been necessary for cities to survive in an ever-changing world of invasion and conquest; some settlements in the Indus Valley Civilization were the first small cities to be fortified. In ancient Greece, large stone walls had been built in Mycenaean Greece, such as the ancient site of Mycenae. A Greek phrourion was a fortified collection of buildings used as a military garrison, is the equivalent of the Roman castellum or English fortress; these constructions served the purpose of a watch tower, to guard certain roads and lands that might threaten the kingdom. Though smaller than a real fortress, they acted as a border guard rather than a real strongpoint to watch and maintain the border; the art of setting out a military camp or constructing a fortification traditionally has been called "castrametation" since the time of the Roman legions.
Fortification is divided into two branches: permanent fortification and field fortification. There is an intermediate branch known as semi-permanent fortification. Castles are fortifications which are regarded as being distinct from the generic fort or fortress in that they are a residence of a monarch or noble and command a specific defensive territory. Roman forts and hill forts were the main antecedents of castles in Europe, which emerged in the 9th century in the Carolingian Empire; the Early Middle Ages saw the creation of some towns built around castles. Medieval-style fortifications were made obsolete by the arrival of cannons in the 14th century. Fortifications in the age of black powder evolved into much lower structures with greater use of ditches and earth ramparts that would absorb and disperse the energy of cannon fire. Walls exposed to direct cannon fire were vulnerable, so the walls were sunk into ditches fronted by earth slopes to improve protection; the arrival of explosive shells in the 19th century led to yet another stage in the evolution of fortification.
Star forts did not fare well against the effects of high explosive, the intricate arrangements of bastions, flanking batteries and the constructed lines of fire for the defending cannon could be disrupted by explosive shells. Steel-and-concrete fortifications were common during the early 20th centuries; however the advances in modern warfare since World War I have made large-scale fortifications obsolete in most situations. Demilitarized zones along borders are arguably another type of fortification, although a passive kind, providing a buffer between hostile militaries. Many US military installations are known as forts. Indeed, during the pioneering era of North America, many outposts on the frontiers non-military outposts, were referred to generically as forts. Larger military installations may be called fortresses; the word fortification can refer to the practice of improving an area's defence with defensive works. City walls are fortifications but are not called fortresses; the art of setting out a military camp or constructing a fortification traditionally has been called castrametation since the time of the Roman legions.
The art/science of laying siege to a fortification and of destroying it is called siegecraft or siege warfare and is formally known as poliorcetics. In some texts this latter term applies to the art of building a fortification. Fortification is divided into two branches: permanent fortification and field fortification. Permanent fortifications are erected at leisure, with all the resources that a state can supply of constructive and mechanical skill, are built of enduring materials. Field fortifications—for example breastworks—and known as fieldworks or earthworks, are extemporized by troops in the field assisted by such local labour and tools as may be procurable and with materials that do not require much preparation, such as earth and light timber, or sandbags. An example of field fortification was the construction of Fort Necessity by George Washington in 1754. There is an intermediate branch known as semi-permanent fortification; this is employed when in the course of a campaign it becomes desirable to protect some locality with the best imitation of permanent defences that can be made in a short time, ample resources and skilled civilian labour being available.
An example of this is the construction of Roman forts in England and in other Roman territories where camps were set up with the intention of staying for some time, but not permanently. Castles are fortifications which are regarded as being distinct from the generic fort or fortress in that it describes a residence of a monarch or noble and commands a specific defensive territory. An example of this is the massive medieval castle of Carcassonne. From early history to modern times, walls have been a necessity for many cities. In Bulgaria, near the town of Provadia a walled fortified settlement today called Solnitsata starting from 4700 BC had a diameter of about 300 feet, was home to 350 people living in two-storey houses, was encircled by a fortified wall; the huge walls around the settlement, which were built tall and with stone blocks which are 6 feet high and 4.5 feet thick, make it one of the earliest walled settlements in Europe but it is younger than the walled town of Sesklo in Greece from 6800 BC.
Uruk in ancient Su
Yokohama is the second largest city in Japan by population, the most populous municipality of Japan. It is the capital city of Kanagawa Prefecture, it lies on Tokyo Bay, south of Tokyo, in the Kantō region of the main island of Honshu. It is a major commercial hub of the Greater Tokyo Area. Yokohama's population of 3.7 million makes it Japan's largest city. Yokohama developed as Japan's prominent port city following the end of Japan's relative isolation in the mid-19th century, is today one of its major ports along with Kobe, Nagoya, Hakata and Chiba. Yokohama means "horizontal beach"; the current area surrounded by Maita Park, the Ōoka River and the Nakamura River had been a gulf divided by a sandbar from the open sea. This sandbar was the original Yokohama fishing village. Since the sandbar protruded perpendicularly from the land, or horizontally when viewed from the sea, it was called a "horizontal beach". Yokohama was a small fishing village up to the end of the feudal Edo period, when Japan held a policy of national seclusion, having little contact with foreigners.
A major turning point in Japanese history happened in 1853–54, when Commodore Matthew Perry arrived just south of Yokohama with a fleet of American warships, demanding that Japan open several ports for commerce, the Tokugawa shogunate agreed by signing the Treaty of Peace and Amity. It was agreed that one of the ports to be opened to foreign ships would be the bustling town of Kanagawa-juku on the Tōkaidō, a strategic highway that linked Edo to Kyoto and Osaka. However, the Tokugawa shogunate decided that Kanagawa-juku was too close to the Tōkaidō for comfort, port facilities were instead built across the inlet in the sleepy fishing village of Yokohama; the Port of Yokohama was opened on June 2, 1859. Yokohama became the base of foreign trade in Japan. Foreigners occupied the low-lying district of the city called Kannai, residential districts expanding as the settlement grew to incorporate much of the elevated Yamate district overlooking the city referred to by English speaking residents as The Bluff.
Kannai, the foreign trade and commercial district, was surrounded by a moat, foreign residents enjoying extraterritorial status both within and outside the compound. Interactions with the local population young samurai, outside the settlement caused problems. To protect British commercial and diplomatic interests in Yokohama a military garrison was established in 1862. With the growth in trade increasing numbers of Chinese came to settle in the city. Yokohama was the scene of many notable firsts for Japan including the growing acceptance of western fashion, photography by pioneers such as Felice Beato, Japan's first English language newspaper, the Japan Herald published in 1861 and in 1865 the first ice cream and beer to be produced in Japan. Recreational sports introduced to Japan by foreign residents in Yokohama included European style horse racing in 1862, cricket in 1863 and rugby union in 1866. A great fire destroyed much of the foreign settlement on November 26, 1866 and smallpox was a recurrent public health hazard, but the city continued to grow – attracting foreigners and Japanese alike.
After the Meiji Restoration of 1868, the port was developed for trading silk, the main trading partner being Great Britain. Western influence and technological transfer contributed to the establishment of Japan's first daily newspaper, first gas-powered street lamps and Japan's first railway constructed in the same year to connect Yokohama to Shinagawa and Shinbashi in Tokyo. In 1872 Jules Verne portrayed Yokohama, which he had never visited, in an episode of his read novel Around the World in Eighty Days, capturing the atmosphere of the fast-developing, internationally oriented Japanese city. In 1887, a British merchant, Samuel Cocking, built the city's first power plant. At first for his own use, this coal-burning plant became the basis for the Yokohama Cooperative Electric Light Company; the city was incorporated on April 1, 1889. By the time the extraterritoriality of foreigner areas was abolished in 1899, Yokohama was the most international city in Japan, with foreigner areas stretching from Kannai to the Bluff area and the large Yokohama Chinatown.
The early 20th century was marked by rapid growth of industry. Entrepreneurs built factories along reclaimed land to the north of the city toward Kawasaki, which grew to be the Keihin Industrial Area; the growth of Japanese industry brought affluence, many wealthy trading families constructed sprawling residences there, while the rapid influx of population from Japan and Korea led to the formation of Kojiki-Yato the largest slum in Japan. Much of Yokohama was destroyed on September 1923 by the Great Kantō earthquake; the Yokohama police reported casualties at 30,771 dead and 47,908 injured, out of a pre-earthquake population of 434,170. Fuelled by rumours of rebellion and sabotage, vigilante mobs thereupon murdered many Koreans in the Kojiki-yato slum. Many people believed. Martial law was in place until November 19. Rubble from the quake was used to reclaim land for parks, the most famous being the Yamashita Park on the waterfront which opened in 1930. Yokohama was rebuilt, only to be destroyed again by U.
S. air raids during World War II. An estimated seven or eight thousand people were killed in a single morning on
The Pacific War, sometimes called the Asia–Pacific War, was the theater of World War II, fought in the Pacific and Asia. It was fought over a vast area that included the Pacific Ocean and islands, the South West Pacific, South-East Asia, in China; the Second Sino-Japanese War between the Empire of Japan and the Republic of China had been in progress since 7 July 1937, with hostilities dating back as far as 19 September 1931 with the Japanese invasion of Manchuria. However, it is more accepted that the Pacific War itself began on 7/8 December 1941, when Japan invaded Thailand and attacked the British colonies of Malaya and Hong Kong as well as the United States military and naval bases in Hawaii, Wake Island and the Philippines; the Pacific War saw the Allies pitted against Japan, the latter aided by Thailand and to a much lesser extent by the Axis allied Germany and Italy. The war culminated in the atomic bombings of Hiroshima and Nagasaki, other large aerial bomb attacks by the Allies, accompanied by the Soviet declaration of war and invasion of Manchuria on 9 August 1945, resulting in the Japanese announcement of intent to surrender on 15 August 1945.
The formal surrender of Japan ceremony took place aboard the battleship USS Missouri in Tokyo Bay on 2 September 1945. After the war, Japan lost all rights and titles to its former possessions in Asia and the Pacific, its sovereignty was limited to the four main home islands. Japan's Shinto Emperor was forced to relinquish much of his authority and his divine status through the Shinto Directive in order to pave the way for extensive cultural and political reforms. In Allied countries during the war, the "Pacific War" was not distinguished from World War II in general, or was known as the War against Japan. In the United States, the term Pacific Theater was used, although this was a misnomer in relation to the Allied campaign in Burma, the war in China and other activities within the Southeast Asian Theater. However, the US Armed Forces considered the China-Burma-India Theater to be distinct from the Asiatic-Pacific Theater during the conflict. Japan used the name Greater East Asia War, as chosen by a cabinet decision on 10 December 1941, to refer to both the war with the Western Allies and the ongoing war in China.
This name was released to the public on 12 December, with an explanation that it involved Asian nations achieving their independence from the Western powers through armed forces of the Greater East Asia Co-Prosperity Sphere. Japanese officials integrated what they called the Japan–China Incident into the Greater East Asia War. During the Allied military occupation of Japan, these Japanese terms were prohibited in official documents, although their informal usage continued, the war became known as the Pacific War. In Japan, the Fifteen Years' War is used, referring to the period from the Mukden Incident of 1931 through 1945; the Axis states which assisted Japan included the authoritarian government of Thailand, which formed a cautious alliance with the Japanese in 1941, when Japanese forces issued the government with an ultimatum following the Japanese invasion of Thailand. The leader of Thailand, Plaek Phibunsongkhram, became enthusiastic about the alliance after decisive Japanese victories in the Malayan Campaign and in 1942 sent the Phayap Army to assist the invasion of Burma, were former Thai territory, annexed by Britain were reoccupied.
The allies supported and organized an underground anti-Japanese resistance group, known as the Free Thai Movement, after the Thai ambassador to the United States had refused to hand over the declaration of war. Because of this, after the surrender in 1945, the stance of the United States was that Thailand should be treated as a puppet of Japan and be considered an occupied nation rather than as an ally; this was done in contrast to the British stance towards Thailand, who had faced them in combat as they invaded British territory, the United States had to block British efforts to impose a punitive peace. Involved were members of the Greater East Asia Co-Prosperity Sphere, which included the armies of the Japanese puppet states of Manchukuo, the collaborationist Wang Jingwei regime. In the Burma Campaign, other members, such as the anti-Britsh Indian National Army of Free India and Burma National Army of the State of Burma were active and fighting alongside their Japanese allies. Moreover, Japan conscripted many soldiers from its colonies of Taiwan.
Collaborationist security units were formed in Hong Kong, the Philippines, Dutch East Indies, British Malaya, British Borneo, former French Indochina as well as Timorese militia. These units the assisted Japanese war effort in their respective territories. Germany and Italy both had limited involvement in the Pacific War; the German and the Italian navies operated submarines and raiding ships in the Indian and Pacific Oceans. The Italians had access to concession territory naval bases in China. After Japan's attack on Pearl Harbor and the subsequent declarations of war, both navies had access to Japanese naval facilities; the major Allied participants were the United States and their colonies, the Republic of China, engaged in bloody war against Japan since 1937, the United Kingdom (mos
Hokkaido known as Ezo, Yeso, or Yesso, is the second largest island of Japan, the largest and northernmost prefecture. The Tsugaru Strait separates Hokkaido from Honshu; the two islands are connected by the undersea railway Seikan Tunnel. The largest city on Hokkaido is its capital, its only ordinance-designated city. About 43 km north of Hokkaido lies Russia. To its east and north-east are the disputed Kuril Islands; the Nihon Shoki, finished in 720 AD, is said to be the first mention of Hokkaido in recorded history. According to the text, Abe no Hirafu led a large navy and army to northern areas from 658 to 660 and came into contact with the Mishihase and Emishi. One of the places Hirafu went to was called Watarishima, believed to be present-day Hokkaido. However, many theories exist in relation to the details of this event, including the location of Watarishima and the common belief that the Emishi in Watarishima were the ancestors of the present-day Ainu people. During the Nara and Heian periods, people in Hokkaido conducted trade with Dewa Province, an outpost of the Japanese central government.
From the Middle Ages, the people in Hokkaido began to be called Ezo. Hokkaido subsequently became known as Ezogashima; the Ezo relied upon hunting and fishing and obtained rice and iron through trade with the Japanese. During the Muromachi period, the Japanese created a settlement at the south of the Oshima Peninsula; as more people moved to the settlement to avoid battles, disputes arose between the Japanese and the Ainu. The disputes developed into a war. Takeda Nobuhiro killed the Ainu leader and defeated the opposition in 1457. Nobuhiro's descendants became the rulers of the Matsumae-han, granted exclusive trading rights with the Ainu in the Azuchi-Momoyama and Edo periods; the Matsumae family's economy relied upon trade with the Ainu. They held authority over the south of Ezochi until the end of the Edo period in 1868; the Matsumae clan rule over the Ainu must be understood in the context of the expansion of the Japanese feudal state. Medieval military leaders in northern Honshū maintained only tenuous political and cultural ties to the imperial court and its proxies, the Kamakura Shogunate and Ashikaga Shogunate.
Feudal strongmen sometimes located themselves within medieval institutional order, taking shogunal titles, while in other times they assumed titles that seemed to give them a non-Japanese identity. In fact, many of the feudal strongmen were descended from Emishi military leaders, assimilated into Japanese society; the Matsumae clan were of Yamato descent like other ethnic Japanese people, whereas the Emishi of northern Honshu were a distinctive group related to the Ainu. The Emishi were conquered and integrated into the Japanese state dating back as far as the 8th century, as result began to lose their distinctive culture and ethnicity as they became minorities. By the time the Matsumae clan ruled over the Ainu most of the Emishi were ethnically mixed and physically closer to Japanese than they were to Ainu; this dovetails nicely with the "transformation" theory that native Jōmon peoples changed with the infusion of Yayoi immigrants into the Tōhoku rather than the "replacement" theory which posits that one population was replaced by another.
There were numerous revolts by the Ainu against the feudal rule. The last large-scale resistance was Shakushain's Revolt in 1669–1672. In 1789, a smaller movement, the Menashi–Kunashir rebellion, was crushed. After that rebellion, the terms "Japanese" and "Ainu" referred to distinguished groups, the Matsumae were unequivocally Japanese. In 1799–1821 and 1855–1858, the Edo Shogunate took direct control over Hokkaido in response to a perceived threat from Russia. Leading up to the Meiji Restoration, the Tokugawa Shogunate realized there was a need to prepare northern defenses against a possible Russian invasion and took over control of most of Ezochi; the Shogunate made the plight of the Ainu easier, but did not change the overall form of rule. Hokkaido was known as Ezochi until the Meiji Restoration. Shortly after the Boshin War in 1868, a group of Tokugawa loyalists led by Enomoto Takeaki temporarily occupied the island, but the rebellion was crushed in May 1869. Ezochi was subsequently put under control of Hakodate Prefectural Government.
When establishing the Development Commission, the Meiji Government introduced a new name. After 1869, the northern Japanese island was known as Hokkaido; the primary purpose of the development commission was to secure Hokkaido before the Russians extended their control of the Far East beyond Vladivostok. Kuroda Kiyotaka was put in charge of the venture, his first step was to journey to the United States and recruit Horace Capron, President Grant's Commissioner of Agriculture. From 1871 to 1873 Capron bent his efforts to expounding Western agriculture and mining with mixed results. Capron, frustrated with obstacles to his efforts returned home in 1875. In 1876, William S. Clark arrived to found an agricultural college in Sapporo. Although he only remained a year, Clark left a lasting impression on Hokkaido, inspiring the Japanese with his teachings on agriculture as well as Christianity