Prior to the discovery of the New World, and the expansion of the Columbian Exchange, what kingdoms and parts of the world dominated the trade routes?

answer: in october 1962, an american u-2 spy plane secretly photographed nuclear missile sites being built by the soviet union on the island of cuba. president kennedy did not want the soviet union and cuba to know that he had discovered the missiles. he met in secret with his advisors for several days to discuss the problem.

explanation:

the roman empire began to fall

the answer is a   thurgood marshall as counsel to the naacp ,he utilized the judiciary to champion the equality for african americans,he won the brown v. board of education case,in which the supreme court ended racial segregation in public school.