part of it is for oil resources
The most significant cause in the Civil War was unfair taxation, states' rights and slavery.
There can be hundred of reasons of civil war. The most common reason is the community rights and party own interest.
For economic reasons
The US Civil War was indeed significant, affecting millions of people.
India was a British colony during the Civil War, and not the most contented one. Great Britain leaned toward the Confederacy while maintaining diplomatic relations with the Union, but the Civil War likely did not effect India in any significant way, nor did India have any significant effect on the Civil War.
the most important reasons for the English civil war to start was Money Power and Religion hope this helps please add to this answer if you have more to say :)
There were growing craft unions during the Civil War for a few reasons. One of these reasons that they needed to have unity.
Most states have civil war records online. Some state records were not maintained for a variety of reasons after the war, so are not very complete. A sample state database is linked to this answer, but there are about 30 more.
Civil War
The significant civil war that happened just before WW II was the Spanish Civil War.
One of the reasons the American Civil War was considered the first "modern war" is because the railroads were used for great mobility, quickly moving men and materiel where they were most needed
Virginia had the most Civil War battles.