Answer: The answer would be A: one person’s point of view.
Explanation: When reading someone's diary, you would be reading from the point of view of the writer.
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Mikhail Gorbachev's reformist policies in the Soviet Union fuelled opposition movements to the Communist regimes in the Soviet bloc countries. The structures of the Eastern bloc disintegrated with the dissolution of the Warsaw Pact and Comecon. The Soviet Union broke up into independent republics.
Answer:
A. It outlawed the expansion of slavery west of the Mississippi river.