Which democratic function of political parties was nonexistent until the early twentieth century and has given voters greater input into politics?

Question

Quizplus · Accepted Answer

Primary elections, where voters directly participate in selecting a party's candidate for an election, were not widely used until the early twentieth century. Prior to this, party leaders often made the decision on who would run for office. Primary elections give voters greater input and therefore fulfill a democratic function of political parties that was previously nonexistent.

Which Democratic Function of Political Parties Was Nonexistent Until the Early