Answer:
This might help I found it interesting and I hope you find the answer your looking for
Explanation:
https://digitalrepository.unm.edu/cgi/viewcontent.cgi?article=1440&context=nrj
They were confident and believed the war would end quickly.
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.
Answer: The civil war was definitely a traumatic experience tens of thousands of lives were lost. But the civil war also had many positive long term affects that we still feel on America today for example the civil war abolished slavery and have freed slaves the right to vote.
