Answer:
C. Out of Many, One.
Explanation:
This is a saying that dates back to the 13 colonies, and them joining together to defeat Britain. It continues to be true today, with 50 states binded together with the federal government.
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This human proclivity, wherein the students were shown to be 84% assured in their self-predictions but then they only correctly predicted their own behavior only 71 percent of the time, is known as overconfidence.
Being overconfident may have its own pros and cons depending on the situation this behavior used in.