In both parties, the objective of the caucus vote is to select delegates to attend a county convention. Each caucus sends some delegates based upon the population it represents. The delegates at the county convention in turn select delegates choose the delegates that go to the national convention. The caucus system dates to 1796 when American political parties emerged.
The caucus is a face to face meeting of party members of a legislative body to discuss or promoting the affairs of their particular party. The gathering determines who will be the party representatives to the national election. Caucuses, for the most part, are generally time-consuming because it involves discussing candidates, picking convention delegates, and dealing with state party business.
The alternatives are as follows a. Select presidential nominees , b. Choose floor leadership, c. swear in new members, d. swear in the speaker of the house. I think the correct answer is b, what do you guys think, please let me know, if i am wrong.