Nobody wanted a nuclear war and both sides were terrified of it
Answer:
D is the answer!!!!!!!!!!!
Explanation:
In 1870, Hiram Revels of Mississippi became the first African American senator. Five years later, Blanche K. Bruce of Mississippi took the oath of office. It would be nearly another century, 1967, before Edward Brooke of Massachusetts followed in their historic footsteps.
Well, I am pretty sure that the correct answers will be C and D. This is because when people had traveled with Marco Polo they had seen all of the opportunity that they were missing when they weren't trading what they had traded with the Orient when they first started. The Crusades influenced a lot of people to start trading with others I personally think that they forced some people to do it but we don't know that for sure.
I hope this helps!!!!!!!!!!!!!!!!!! Please mark me as Brainiest