The great migration happened between 1916-1970 and was when 6 million African American were moved out of the Southern United States and to the urban Northwest, Midwest, and west
Racial Inequality and segregated bus terminals.
The original purpose of the Freedom Riders was to go through Southern bus terminals to protest the injustice. During their trip, they were brutally attacked by White Southerners leading to public outcry. The Freedom Riders helped challenge and remove segregation in America.
They left their mark with architecture!
Because Hitler had signed a non-aggression pact with Stalin which promised that neither would attack the other and that they would share parts of Europe between them at the wars end. Hitler went back on his word.
I am pretty sure your answer is B
