Why did Southern democrats split from the party?

After being the dominant party in U.S. politics from 1800 to 1829, the Democratic-Republicans split into two factions by 1828: the federalist National Republicans, and the Democrats. ... The Southern Democrats (known as "Dixiecrats"), reflecting the views of the late John C. Calhoun, insisted slavery was national

The Democratic-Republicans broke into two factions by 1828, after being the dominant political party in the United States from 1800 to 1829: the federalist National Republicans and the Democrats. The Southern Democrats (also known as "Dixiecrats") argued on slavery being a national issue, echoing the late John C. Calhoun's ideas.

A, Mujahideen, Arabic mujāhidūn, members of a number of guerrilla groups operating in Afghanistan during the Afghan War (1979–92) that opposed the invading Soviet forces and eventually toppled the Afghan communist government.