Question

Which event would have first caused the United States to begin reversing its neutrality acts in the early stages of world war 2

Answer 1

Pearl Harbor was a Japanese attack on America, forcing them to join the war.

Answer 2

Which event would have first caused the United States to begin reversing its neutrality acts in the early stages of world war 2

soooooo...
Germany's invasion of Poland vent would have first caused the United States to begin reversing its Neutrality Acts in the early stages of World War II, it was first sign that war started and that United States will not stay neutral for a long time