Which of the following factors is believed to have contributed to the fall of the Mongol Empire?

A. The Silk Road became unsafe for trade and travel.
B. Genghis Khan did not have any sons to take over the empire.
C. The Black Death resulted in a massive population decline.
D. The Empire stopped all expansion and focused only on China.

The fall of the Mongol Empire was due to infighting among descendants of Genghis Khan, the impact of the Black Death, and disruptions in trade routes like the Silk Road.

Explanation:

The fall of the Mongol Empire was influenced by several factors, including perpetual infighting among Genghis Khan's descendants, which led to a division of the empire into four separate realms. Additionally, the Black Death caused a massive population decline and disrupted trade routes like the Silk Road, contributing to the empire's decline.

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