American imperialism is the exercise of power by the United States outside its borders. The United States expanded its territory initially via conquest and colonialism, later shifting to controlling/i
Native American students at the Carlisle Indian Industrial School, an American Indian boarding school and a site of cultural assimilation, in the US Army's Carlisle Barracks.
Indian land as defined by the Treaty of Fort Laramie
Big Foot's camp three weeks after Wounded Knee Massacre; with bodies of four Lakota Sioux wrapped in blankets in the foreground
The American Colossus (1880), shown connected to the US, Mexico, and Nicaragua
Throughout both of his presidencies, U.S. president Donald Trump has expressed a desire to expand the United States' territory and influence through both land purchases and military means.
American imperialism
…in the Western Hemisphere, (under the 1823 Monroe Doctrine); and the benefits of keeping "good order". President Donald Trump has reintroduced these policies during his second term, but commentators have suggested that it is simply "standard U.S. foreign policy stripped of hypocrisy." Following Columbus, the…
Trump with Danish prime minister Mette Frederiksen in 2019
Pituffik Space Base, the U.S.-run ballistic missile-warning site in Greenland
Signing of the joint deal between United States and Panama (April 9, 2025)
Nicolás Maduro aboard USS Iwo Jima following his abduction