The fall of the Mongols and the fall of the Byzantine Empire which led to decrease in trade. Hope this helps :)
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Nixon was going to be impeached, After that, he would partake in a trial in the Senate for “high crimes and misdemeanors.” He chose to leave presidency instead. He resigned as president of the United States
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uh i guess it’s ok! just put it in the health subject, but yeah, a lot of people will help you with them if you need help
