The state of the U.S. Army (1918-39)
Although World War I began in August 1914, the United States did not enter the war until April 6, 1917, after numerous U.S. merchant ships were sunk and casualties mounted from civilian ships being torpedoed or shelled by German U-boats. U.S. Army and U.S. Marine Corps troops took part in the last offensives that ended the war. By 1918 there were nearly 2.4 million men in the U.S. Army, and nearly 53,000 in the Marines. However, after the armistice was...
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