The spread of Islam to sub-Saharan African was linked to trans-Saharan trade: Islam spread via trade routes, and Africans converting to Islam increased trade and commerce. ... Muslim merchants conducting commerce also gradually spread Islam along their trade network.
Cold War dilemma was turning communist
A polis of ancient Greece was a a)politically independent unit that included a city and surrounding land. A polis meant the city-states which existed during ancient Greece and would stand today as what it's modern city would be called. A polis also stood as a form of identity as it would be a person's citizenship and can be used to describe a body of citizens.
I believe the answer to this question is d
