Answer:
1. Abraham Lincoln Assassinated
2. 13th Amendment ratified
3. Black Codes Enacted
4. Civil Rights Act of 1866
5. President Andrew Johnson Impeachment Trial
6. 14th Amendment ratified
7. Ulysses S. Grant elected president
8. 15th Amendment ratified
9. Rutherford B. Hayes elected president
10. Federal Troops withdrawn from the South
Explanation: