what is the role of a lieutenant governor

A. to check and balance the actions of the governor
B. to maintain order and decorum on the senate floor
C. to cast the tiebreaking vote in the state legislature
D. to takeover the governors duties if the governor is out of state

what is a caucus

A. a meeting of the ellectoral college to vote for president
B. a process to determine the members of the electoral college
C. a small election to gauge a states support for different candidates
D. a small convention to determine which candidate party delegates will support