The American Dream is the national ethos of the United States, that every person has the freedom and opportunity to succeed and attain a better life. The phrase was popularized by James Truslow Adams during the Great Depression in 1931, and has had different meanings over time. Originally, the emphasis was on democracy, liberty and equality, but more recently has been on achieving material wealth and upward mobility.

James Truslow Adams was an American writer and historian. He was a freelance author who helped to popularize the latest scholarship about American history and his three-volume history of New England is well regarded by scholars. He popularized the phrase "American Dream" in his 1931 book The Epic of America.