At the very beginning, US was in the developing phase and need loads of human labor, so they buy slave and work for them And because of that US develop rapidly. But that also cause issue like people need human right and slaves also do. The division of opinion make US divided into two parts.
With even more division, 1850 compromise admits California become the first free state in slavery.
The end of the war
The first battle of the Civil War which fought in Charleston Harbor and begins the battle of US.
How to reconstruction
Appomattox Battle is the battle that ends the war. Though North of US won the war, they both lose lots of human resource and money.
Lincoln inaugurated in March. And unity people work together and end the war. On April 9, 1865, Lee surrender and finally ends the war.
Three kinds of the plan came out to determine how to do with South US and those slaves. Lincoln plans to easy on South and suggested 10% plan. Radical Republicans' plan was destroy political power of slaveholders and punish South. Andrew's plan was amnesty to whites who signed loyalty oaths and no role for freed blacks or ability to vote