Individuals in a particular ethnic group typically all belong in a different religion group C is answer
John C.Calhoun
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Answer:
The climate might not fit their life style
Explanation:
The answer is:
The major industrial cities became overcrowded as workers from rural areas moved there.
and
Because of the steady increase in food production, the population nearly doubled between 1800 and 1850.
Answer: Islam promoted trade between West Africa and the Mediterranean. The religion developed and widened the trans-Saharan Caravan trade. The trade enriched the West African and the Muslim traders. Muslims from North Africa came in their numbers and settled in the commercial centres.
Africa was the first continent, that Islam spread into out of Arabia in the early seventh century. Almost one-third of the world’s Muslim population resides today in the continent.
Explanation: