The primary factors for migration among southern African Americans were segregation, an increase in the spread of racist ideology, widespread lynching (nearly 3,500 African Americans were lynched between 1882 and 1968), and lack of social and economic opportunities in the South.
It is B. However, it soon becomes D by force.
~ThePirc
B)
Source: http://www.loc.gov/teachers/classroommaterials/presentationsandactivities/presentations/timeline/civilwar/recontwo/
I think the answer is that Japan got Manchuria
