The main conflict that Sparked the war was Confederate attack on fort sumter in 1861. After this attack, the Confederaty seceded from the union and formed its own nation to engage in battle with the union.
The main cause to Civil war is Slavery. In between north and south America there is huge race discrimination. So the people who are mostly bear the atrocity of Slavery system.
The immediate action to Civil War is just only Slavery.
If you make a survey of countries in the world who have fought civil wars you find out that 79 percent of all countries in the world have fought atleast one civil war.
Unfortunately, the main cause of the battle was slavery. The majority of historians today concur that the Civil War's most significant contributing factor was slavery.
Civil war is often caused by errors on the part of soldiers or of leaders of a group, and it can also arise from issues of power or of who will be the most powerful.