Muhammad left Mecca to live in Medina because <span>he feared for his life. </span>The answer to your question is B. I hope that this is the answer that you were looking for and it has helped you.
In that time period it called the era of good feelings because James did an amazing job during that period. he also made political differences to disappear and federalist party seemed almost nonexistent.
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Answer:
Elisha Graves Otis developed a safe elevator.
The spread of Communism in China and the Soviet Union successfully testing a nuclear bomb.