America in World War I Crash Course US History

The video explores the US involvement in World War I, highlighting the reasons behind its entry, such as the Zimmerman Telegram and unrestricted submarine warfare. It discusses President Wilson's 14 Points and their limited impact, the economic and societal changes in the US, and the repression of civil liberties during the war. The video concludes with the post-war effects, including the Treaty of Versailles and the US's return to isolationism, setting the stage for World War II.

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