Please help. Pic included

Which areas where seperated by the iron curtain

The constitutional amendment that profited denying voting rights to people based on race or color is the?

Who were the “rough riders”? a. cuban revolutionaries who battled the spanish for independence b. a volunteer cavalry unit in the spanish-american war c. spanish generals in cuba who mistreated the civilian population d. newspaper owners who influenced public opinion by exaggerating the truth