Progressivism, which had invaded the conservative-controlled Republican party, provoked a split that affected local politics as well as the party's national leadership. The rebellion engulfing the party demanded that each Republican clearly define his position.... The available choices, ranging from reaction to insurgency, required that the professional Republican politician be painfully specific. The dilemma faced by these politicians, particularly those of the rank and file who were sympathetic with progressive ideals, is the major concern of this study
