11. Why did most African Americans migrate West from southern states in the late 1870s? a. to own land in a place where freedoms would not be restricted b. to come to work on the transcontinental railroad to avoid fighting for the South in the Civil War d. to join the speculators looking to find gold

Which of the following describes an effect of world war ll on the united states economy a. automobile companies produced a record number of cars b. many factories had to expand to produce military equipment c. the airplane industry suffered as the allies began using airplanes in combat d.cities with shipyards declined because so many ships had been sent overseas.