Answer:
Economic exploitation, social terror and political disenfranchisement were the push factors. The political push factors being Jim Crow, and in particular, disenfranchisement. Black people lost the ability to vote.
C, Individual and Religions. Sorry if I'm sorry. Have a good day
The best option will be the C. Railroads made the rapid movement of produce and goods into many markets possible.
Because Railroads basically were the key point to national business and economic growth. Eliminating the needs for long and weary trips, while also founding and fueling other soon-to-be huge business industries, such as iron, coal, copper, machinery, etc., railroads made "rapid movement of produce and goods into many markets possible."
The Freedman's Bureau was created to help former black slaves and poor whites in the South after the Civil War. Giving them education and medical help was very important in helping them recover from the revolution and helped the freedmen to be able to live on their own.