This is the subject that would most likely fall under the topic of Reconstruction, Urbanization, and industrialization from 1865 to 1889. This is because segregation and Jim Crow laws were the only events that took place during this period. Segragation was a serious problem during Reconstruction, as it reduced the impact of emancipation and did not allow African Americans to reach full equality.
That the state of Georgia had no legal power over the Cherokees It ruled against Georgia. The Cherokees and the United States had signed treaties acknowledging that certain territories were theirs.
When a planet has an elliptical orbit its speed varies throughout its orbital period. If it had a circular orbit then its speed would remain constant throughout.