Answer:
-Civil war came about as more than twenty men laid claim to the position of emperor.
-Repeated invasions from all directions resulted in the loss of much of the empire for a time.
-The economy collapsed as a result of high inflation and the loss of foreign trade.
Explanation:
One of the central factors in the establishment of the trans-Saharan trade was "<span>b. The domestication of the camel," since only camels could survive the very long distances and extreme heat. </span>
From Middle French massacre"wholesale slaughter, carnage," from Old French macacre, macecle "slaughterhouse, butchery," of unknown origin; perhaps related to Latin macellum "provisions store, butcher shop."
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The right answer is the increase of agricultural output, the Ming dinasty ruled China for almost 300 years (1368-1644) and enjoyed stability and prosperity, reforming the government and making more efficient use of the land, one of the things that made this increase possible was taxes, what excludes the third option. As for the first option, Ming government persecuted to some extent Christian and Muslims communities, and for the fourth, Tokugawa was a dinastic government in Japan, not China.