Complex sentence: Originally two separate organizations, the American Whig Society and the Cliosophic Society were the primary student organizations at Princeton until the end of the 19th century, when competition from eating clubs, sports teams, and other student activities drew members away from the societies.
Split into simpler sentences: Originally two separate organizations, the American Whig Society and the Cliosophic Society were the primary student organizations at Princeton until the end of the 19th century. Competition from eating clubs, sports teams, and other student activities drew members away from the societies.