What impact did the fall of Rome have on the Empire’s cities? A. The cities were no longer safe to live in.
B. Most cities became centers of learning and trade.
C. Cities combined to form nations.
D. Rome’s cities gained prosperity and grew in population.

A. The cities were no longer safe to live in.

Explanation:

Many cities in Rome were abandoned after the fall because they were too unsafe to live in—due to violence, lawlessness, and crumbling infrastructure.

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worldwide, 780 million people do not have access to an improved water source. an estimated 2.5 billion people lack access to improved sanitation (more than 35% of the world's population)

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