American civil war

2. A system where human beings are owned as property.
5. A term used for enslaved people who escaped to Union lines, deemed "property" confiscated from the enemy.
7. To formally withdraw from the United States.
8. Paper currency issued by the Union government.
10. A soldier who was wounded, killed, captured, or went missing in action.
12. States Slave states (Delaware, Kentucky, Maryland, Missouri) that did not secede from the Union.
13. Loyalty to the interests of one's own region (North or South) rather than the nation as a whole.
15. A 19th-century warship protected by iron armor plates.
19. The period immediately after the Civil War (1865–1877) focused on rebuilding and reuniting the country.
20. The period in American history before the Civil War.

1. The act of setting enslaved people free.
3. A slang term for a Union soldier or someone from the North.
4. A very hard, long-lasting biscuit eaten by soldiers.
6. A person who strongly supported the immediate ending of slavery.
9. Soldiers who fight on foot.
11. War A military strategy that destroys the enemy's resources and civilian infrastructure to break their will.
14. Mandatory enrollment for military service.
16. The 11 Southern states that seceded from the Union and formed their own government.
17. The use of naval forces to prevent ships from entering or leaving Southern ports.
18. The United States of America, specifically the Northern states that remained loyal to the federal government.