What are the three long-term causes of the civil war

Sectionalism. People felt greater loyalty to by their section-the North, South ,or West than to the nation as a whole.

Slavery.  

Extension of slavery.  

States rights.  

Missouri compromise(1820)  

Compromise of 1850.  

Kansas -Nebraska act 1854) .

Birth of the Republican party (1854)

Explanation: Hopefully this helps you with whatever you are doing. I am giving u a couple of reasons why. Hopefully they help you. (Pls don't report if wrong)

the answer is...

link is https://prezi.com/wd0_zlerklqe/civil-war-long-short-term-causes/

Explanation:

1. The firing on Fort Sumter is considered a short-term cause of the Civil War because it brought our country straight into battle.

2. The day after Lincoln became president, he received a message from the commander of Fort Sumter, a US fort located on an island guarding Charleston Harbor in South Carolina.

3. In 1840, after the start of the Mexican War, David Wilmot introduced the Wilmot Proviso, which would ban slavery in any lands bought from Mexico. This was met with protests in the South.