I believe its the barbarians
The correct answer is Herbert Hoover
He believed that the Great Depression would not become as severe as it did and implemented many dubious laws that actually made things even worse like introducing a new tariff system which was supposed to help but actually destroyed foreign trade for example. He was easily beaten by Roosevelt who promised the new deal.
What is your textbook called so I can look it up and help you with the answer.
Answer: Midway. From Dec. 1941 to Summer 1942, America had been fighting a defensive war against Japan (ever since Pearl Harbor, America was fighting to keep its territories in the Pacific until island-hopping started.) After Midway, Japan gave up on its plan to expand across the Pacific, and America went on the offensive. It also turned the war in the Allies' favor. America and its allies could go on the offensive because Midway greatly damaged the Japanese fleet.
Explanation:
I don't know if it's all correct, but I gave it a shot.
Thanks Google.