the rise of fascism America, history homework help

1. With the rise of fascism America stubbornly remained isolationist however, by the eve of the attack on Pearl Harbor, the country’s sentiment had changed. Using multiple examples, explain this transformation

2. Briefly describe two major military battles in the European and two major military battles in the Pacific theaters of war that significantly turned the tide of war against the Axis Powers.

I need both answers in an essay