Complex sentence: The word "Southern" in Southern Baptist Convention stems from its having been founded and rooted in the Southern United States, following a split from northern Baptists over the issue of slavery; the specific issue was whether slave owners could serve as missionaries.
Split into simpler sentences: The word "Southern" in Southern Baptist Convention stems from its having been founded and rooted in the Southern United States. Following a split from northern Baptists over the issue of slavery; the specific issue was whether slave owners could serve as missionaries.