Civil war

6. the action or fact of joining or being joined, especially in a political context.
8. the theory or practice of shielding a country's domestic industries from foreign competition by taxing imports.
9. the crisis based on territory
10. a sustained fight between large organized armed forces.
11. a person who favors the abolition of a practice or institution, especially capital punishment or (formerly) slavery.
14. president of the Confederate States of America during the American Civil War
15. a league or alliance, especially of confederate states.

1. American president in the civil war
2. an exaggerated devotion to the interests of a region over those of a country as a whole
3. states in north
4. a native or citizen of the United States
5. a state of the US in which slavery was illegal
7. states in south
12. the state of being a slave
13. the withdrawal of eleven southern states from the Union in 1860, leading to the Civil War.