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

women should get jobs in the war industries

explanation:

during the time of the war women usually stayed back and got jobs to support the war by making bullets and machinery used in the war.

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the roman army grew in size and became dominant in the mediterranean region.