Which specific event caused the united states to enter world war ii?

The bombing of Pearl Harbor in Hawaii.

Explanation:

When Japan bombed Pearl Harbor, it caused the United Stated to declair war on Japan and therefore entering the war.

it was a act of seld fesnse more over it was a peace treaty between the fogein contunries.

1

b gas tractor

2

c and negotiated lower prices for farm equipment and supplies

3

d the grange

4

c over 15,000 bankrupt businesses

5

c people became more self-sufficient