Respuesta :
The U.S. military presence in Vietnam shows the unprecedented presidential command of U.S. military forces.
The U.S. military presence in Vietnam
The presence of U.S troops in Vietnam increased from 1960 to 1969.
The hostility towards communism sparked in the American government that forced them to show interest in Vietnam.
The Presidents of America played a significant role in Vietnam in decade by sending troops which increased 475,200 in 1969 from 900 in 1960.
Thus option C is the correct answer.
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