Union and Confederacy
Battle of Vicksburg
the north and the south
Virginia
A war between two groups in a country, like American Civil War.
Virginia was split in two over the issue of slavery.
A Civil War is simply a war between two or more groups within the same country. Whether it is between political groups and revolutionary groups, or some other type of group, all Civil Wars start this way.
it is called the civil war.
none
Hutus & Tutsis
The Mason-Dixon Line
It wasn't plain and simple. It was not two groups of one country fighting, it was an invasion of a nation by another.
Korea was split into two separate countries. There still is tension between them however.