Which of these most directly led to the passing of the indian self determination and education assitance act

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Explanation:

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.

i'm asking the same thing i asked this other cat all of

the answer to your question is c