The answer would be flexible in the missing blank.
1) A Heliocentric universe is centered around the Sun.
2) A Geocentric universe is centered around the Earth.
Answer:
I believe that its the Soviet development of the atomic bomb in 1949
Explanation:
A, this is because they have just gone through the Civil War and now they need to reconstruct the land and government
After slavery was completely abolished in the North, African Americans did not live easy lives, for discrimination and prejudice were still a prominent problem. In the caucasian dominating Northern region of the United States, African Americans were considered free because they were no longer forced into slavery, but in reality they were only given limited freedom in regards to their political rights, social rights, and rights of expression.
African Americans were only granted limited freedom in regards to their political rights.