It was a easy way to give everyone a place in society. I was organized and easy to maintain for the European governemnt, but it wasn't a fair system because peasants and serf were unable to work upwards in the society.
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A. Genghis Khan was the supreme leader of the Mongols
Answers:
The Islamic empire extended into North Africa.- C)
The gold-salt trade brought Islamic Arabs into western and southern Africa. - D)
His eldest son gains the throne