You may have forgotten to put the multiple choice but if it's open response you could put the holocaust
Explanation:
the holocaust was an event that happened from 1941 to 1945 were the nazi party murdered 6 million innocent jews, of Europe millions of people killed, family's separated and etc
The threat of Nuclear warfare. The soviets trying to spread communism. I dont believe anyone really won this war because it has caused lasting tension between the U.S. and the Soviet Union now present day Russia
The American attitude shifted in favor of rights for Native Americans. This is based on "Polls showed that Americans believed in rights for Native Americans". Why it's not A is because it wasn't the polling that contributed to the act, but what the polls showed which is C.