Nazi aggressions lead to the war because the kept conquering and when the invaded Poland France and Britain declared war because Poland was an ally. Japan wanted to build an empire because of resources. Americans before Pearl Harbor wanted to stay out of the war because of isolationist views and policies . Japan pulled America into to the war with Pearl Harbor because the Japanese thought that once they did this it would weaken America and make it so they wouldn’t want to fight but it had the opposite reaction it made America want revenge for the lives lost at Pearl Harbor
