The main reason was the South wanted to preserve slavery. The North wanted to abolish it. If you want some other reasons than slavery, let me know, and I will do my best to add more to this answer.
The correct answers, respectively, are B) To measure longer periods of time, and B) The gods priests and attendants traveled about the empire conducting Sacret rites. Hope this helps.
Answer:
Détente marked a shift in Cold War policy under President Nixon. It was designed to relax tensions with the Soviet Union, reduce nuclear arsenals, and limit military commitments.
Explanation:
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1 is running water and 2 is 3 and 4