It started a period of violence known as bleeding kansas
Answer:
Alarmed over rapid developments in military technology by his Communist rivals in the USSR, President Dwight D. ... High-altitude U-2 spy planes began making reconnaissance flights over the USSR in 1956, giving the U.S. its first detailed look at Soviet military facilitie
Answer:
Railway building was a priority in the South during and after Reconstruction
Explanation:
hope this helps <3