Why should you study history HELP GET 18PTS PLUS
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History is studied for many reasons, the most important one being is so we do not repeat history. What happens in the past should stay in the past, we are able to analyze problems that have already happened and hopefully stop a pattern of those events from occurring again. The past (history) gives us a better understanding of the word we live in now.

it refers to race, i am pretty sure this was a popular term in nazi germany or something.

basic principles: federalism, separation of powers, checks and balances, judicial review, representative democracy, limited government, rule of law, individual rights and responsibilities, consent of the governed, majority rule, popular sovereignty, equal protection.