Which was not a cause of WW2

A failure of the treaty of Versailles
B german invasion of poland
C attack on pearl harbor
D failure of appeasement

Respuesta :

C attack on pearl harbor

WW2 had already begun when Japan invaded Pearl Harbor. Although this event was not a cause of WW2, it did cause the United States to enter the war.

C. Attack on Pearl Harbor

The attack simply brought the U.S. into the war not start the war. The war had already started by then.