"When the U.S. entered the war in 1917, the infantry was its primary offensive arm. By war's end the American Expeditionary Force had progressed developing techniques for breaking the trench warfare stalemate. The AEF integrated weapons like poison gas, tanks and aircraft into its offensive tactics and pioneered the mechanized combined arms warfare still practiced"--
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"When the U.S. entered the war in 1917, the infantry was its primary offensive arm. By war's end the American Expeditionary Force had progressed developing techniques for breaking the trench warfare stalemate. The AEF integrated weapons like poison gas, tanks and aircraft into its offensive tactics and pioneered the mechanized combined arms warfare still practiced"--
Read Less
