Khan Academy
Khan Academy: Ap Us History: 1890 1945: The Age of Empire
Explains how the United States came during its imperialist era to have territories outside its boundaries. [11:09]
Crash Course
Crash Course Us History #28: American Imperialism
Energetic and informative video on American Imperialism. In his humorous style, John Green talks about industrial capitalist economies and their quest for economic power sought through colonization. [14:04]
Khan Academy
Khan Academy: Us History: 1945 1980: Shaping American National Identity
Kim compares the effect of major developments like the Great Depression and World II on American core beliefs about individualism, culture, and the proper US role in the world. [8:31]