Answer:
Manufactured items from the eastern coast of the United States and Europe made up the bulk of the goods traveling to Mexico. Furs, wool fleeces and woven goods, silver and mules traveled from Mexico for trade in the United States. Millions of dollars in merchandise traveled this 900 mile international trade route.
Mongol<span> expansion into Central Asia began in 1209, as the </span>Mongols<span> pursued tribal leaders who opposed Chinggis Khan's </span>rise to power<span> in Mongolia and thus constituted a threat to his authority there. With their victories, the </span>Mongols gained<span>new territory. ... Indeed, the </span>Mongols<span> cultivated this idea.
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Because a pandemic(unlike and epidemic, which is more provincial) reaches around an entire nation and/or continent. Obviously, a nationwide sickness would be terrible for a newly developing nation trying to get on its feet for the first time. It’s just more unnecessary work for the new nation to deal with. Hope this helps!