On December 8, 1941, the United States entered World War II. Immediately, the country was forced to prepare for the effects of the war. The mobilization of the United States in preparation for the war not only involved the military, but it also evolved into a tremendous effort on the part of all Americans.

Interactive exercise. Assistance may be required. The graphic below illustrates a few examples of the United States' mobilization during World War II. Mouse over each term to learn more.

Civilians who did not enlist in the military played a crucial role in the war. As part of an intensive government propaganda campaign, the government encouraged civilians to “Work or Fight.” Civilians were encouraged to work in wartime industries, participate in community-wide wartime activities, and support the armed forces.