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World War I

1917 - America joins World War I. 

World War I began in 1914, but America did not enter the war until 1917. The drafting and training of a large expeditionary force was the largest undertaking of the federal government since the Civil War. 

As part of the effort to raise and train a large force, the U.S. Army employed psychologists to give intelligence tests to the recruits. This was the first mass application of standardized tests to millions of people for classification purposes.

Related Links:

Program Segment 2

Book Reference:
Veterans

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