OpenStax
Open Stax: Americans and Great War 1914 1919: The United States Prepares for War
Details what America did to prepare and execute its entry into World War I, and how the government used propaganda to win public support for the war effort.
The History Cat
The History Cat: America Enters the Ring
Describes the events leading up to America's entry into World War I and the changes that took place in America soon after. These included legislation such as the Selective Service Act and the Espionage and Sedition Acts, protests by...