Answer:
A deep vein of xenophobia and nativism
Roman Catholic is the main religion, the people in Southern Spain are very religious.
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.
<span>The necessary and proper clause of the constitution is a provision in Article One of the United States Constitution that is supposed to create and enact all the laws that the government consider to be necessary and proper to bring into execution powers including Execution the foregoing Powers and many others that refer to the Constitution.</span>