They created the number system and discovered that the earth was round by studying eclipses.
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Answer: the answer is D.
Explanation:
States can enact laws if they do not contradict the Constitution, or any Federal laws.
Civil court is a court case dealing with non-criminal cases unlike criminal court which are court case dealing with criminal law
Striking workers would not allow nay of trains ,mainly freight trains, to roll until this third wage cut was revoked