Explain how the Black Death was both an illness and a historical event.

Then came the plague, killing half the people across the continent. By the time the plague wound down in the latter part of the century, the world had utterly changed: The wages of ordinary farmers and craftsmen had doubled and tripled, and nobles were knocked down a notch in social status.

Explanation:

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by 1880, germany had more rail lines than great britain and russia.

cutting down of the rainforest