How the United States transformed a small professional force into a massive army
In short: This video examines the rapid expansion of the United States Army during the early years of World War II. It explores how the fall of Poland triggered a massive mobilization effort to prepare for global conflict.
Prior to the outbreak of World War II, the United States Army functioned as a relatively small professional force. However, the rapid German conquest of Poland in 1939 created an urgent need for massive military expansion, following the strategic vision outlined in the Rainbow plan. To meet this challenge, the U.S. introduced selective conscription in 1940, requiring men aged 21 to 35 to register. This mobilization efforts saw the Army swell to 1,500,000 men by 1941.
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Sources
- Summary by Intellect · source: WWII Factions: The U.S. Army
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