In my honest opinion I think he did.
devolutionary I really hoped I helped ^_^
Answer:
The escalating controversy over the expansion of slavery into the territory acquired from Mexico
Explanation:
The escalating controversy over the expansion of slavery into the territory acquired from Mexico prompted South Carolina's secession crisis of 1850 - 51. The Compromise of 1850 and the lack of broad-based support for secession in the South ended this crisis, but secessionists awaited their next opportunity.
I assume you're talking about the time of second World War. The US entered the war when Japan attacked Pearl Harbor - a harbor in Hawaii. The attack took place in 1941.