The following video was created by John Green for review purposes
Key Points:
America remained neutral for a majority of the war due to Isolation and neutrality policies
Multiple events built up to cause the U.S. to change neutrality policies and declare war (sinking of the Lusitania, interception of the Zimmerman Note, Germany's broken Sussex Pledge)
A majority of the U.S. early involvement was with money, supplies, and weapons
Domestic policies were geared toward supporting the war effort (CPI and War Production Board) *Many individual liberties were taken away during the war such as limitations on freedom of speech
The war to end all wars created more tension with foreign nations and domestically