4. For a long time, scholars incorrectly believed the Swahili city-states in east Africa must have been founded by Arabs,
rather than local Africans. Why did they believe that, according
to John Green?

He claims that sub-Saharan African histories were preserved by oral tradition rather than a written account. This is important because many deviations occur when oral traditions are passed down. In fact, he argues about prejudice occuring in oral tradition. Therefore, scholars incorrectly believed that Swahili city-states must have been founded by Arabs. There was Arabic influence, but that isn't the correlation of the relationship.

Explanation:

answer; for children with two myopic parents,the likelihood of becoming myopic is ) correlated with the number of hours spent playing sports each week;

the united states has a federal government. the president is the head of the federal government of the united states. however, each state forms its government for administration purposes. the powers of the state governments are exercised within restricted state boundaries. and citizens participate in this government by voting.