Why did the united states goverment pass the selective service act?

On May 18, 1917, Congress passed the Selective Service Act, which authorized the Federal Government to temporarily expand the military through conscription. The act eventually required all men between the ages of 21 to 45 to register for military service.

Explanation:

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To authorize the Federal Government to temporarily expand military from conscription

Explanation:

The Selective Service act eventually required all men between 21 through 45 to register for the military.

in all honesty, it really hasn't. except that hitler killed himself.

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