in modern american politics, how are most candidates nominated to elected office

Though controversy remains over whether party __________ occurs every 30 to 40 years, political scientists have still identified distinct party eras in the course of American history

Fill in the blanks with correct word

A modern caucus is a

a.  vote before the general election where a state’s citizens vote for one nominee or another.  b. group of state politicians who debate and then select delegates for one nominee or another.  c. group of regular party members who hold local meetings, selecting delegates who then vote for one nominee or another.  d. group of people who work in state party organizations, who debate and then select delegates for one nominee or another.