Three innovations that played a roll in creating vast changes in American society during the Roaring Twenties were:
1- Electric Washing Machine: as many other electric apliances made the lives of many housewives and women much easier.
2- Electric refrigerator and freezers
3- Automibile: model T changed the industry of automobile and now they were used daily life issues: shopping, going to school, travelling. A model affordable for middle class families
for the king, who was a Muslim
for the Muslim merchants and visitors
for the invading Muslim armies, who forced the residents to build them
Mosques built in the Ghana Empire for the Muslim merchants and visitors. Thus the 3rd option is correct.
Ghana is the Western African country situation along the Gulf of guinea. In the ancient times, The Ghana empire was founded by the Soninke people. it included the two towns which were in the plains.
One of these towns, which is inhabited by Muslims, in large and possesses twelve mosques, in which they assemble for the Friday prayer. So the cities were 6 miles away from the capital city.
There many of the merchants and visitors arrived which led to the formation of the mosques to offer the praying to the god. Thus the 3rd option is correct.
Learn more about Ghana empire here:
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The answer is: A) Participation in the Holocaust