Answer:The Black Death was a devastating global epidemic of bubonic plague that struck Europe and Asia in the mid-1300s. The plague arrived in Europe in October 1347, when 12 ships from the Black Sea docked at the Sicilian port of Messina.
The middle class I'm pretty sure
Answer:
After the last expansion, gold was discovered at Sutter's' Mill, bringing many more Americans from the East, and benefitting them greatly, even bringing in people from outside America. This revolutionized America's economy. Manifest Destiny brought money, land, resources, and a strengthened economy to the Americans.
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