What is the role of leadership caucuses in Congress?

The role of leadership caucuses in Congress is primarily to choose party leaders. These caucuses are gatherings of party members within Congress, where they discuss strategies, policies, and leadership positions. By selecting their leaders, caucuses play a crucial role in organizing the party's efforts in legislative processes, shaping party ideology, and coordinating actions among members.

Caucuses enable party members to have a voice in leadership decisions, ensuring that the leaders chosen reflect the priorities and preferences of the party members within the legislative body. This internal leadership selection is vital for maintaining party unity and effectively executing the party’s agenda in Congress.

In contrast, the other options, such as voting on legislation or conducting public polls, do not accurately represent the primary function of leadership caucuses, as they focus more on the decision-making process of party organization rather than legislative voting or public opinion gathering.