About how many Americans served in the armed forces during World War

11 million

14 million

15 million

19 million

Answer: 16 million Americans who served, 2 million served in Europe, though the war against the Nazis has an outsized place in the American imagination. That number of enlistees is remarkable. The US population in 1945 was 140 million, so roughly 11% of all Americans fought in World War II.

Explanation: its 16 million but since thats none of your answers i would say C. 15 million.