Complex sentence: Because of early splits in the National Organization, several unofficial national coalitions and rogue groups granted their own charters, many conflicts exist surrounding the actual founding dates and chapter designations, even at the institutions that had officially recognized groups.
Split into simpler sentences: Because of early splits in the national organization, several unofficial national coalitions and rogue groups granted their own charters. As a result, many conflicts exist surrounding the actual founding dates and chapter designations, even at the institutions that had officially recognized groups.