the major job of floor leaders is to

a. oversee house sessions
b. prevent filibusters
c. veto bills
d. gather party members' votes for upcoming bills
a

No. d

The Speaker of the House oversees the House sessions

The major job of floor leaders is to gather party members' votes for upcoming bills.

To arrive at this answer, we can eliminate options (a), (b), and (c) by understanding the roles of different individuals in the legislative process.

(a) The overseeing of house sessions is generally done by the Speaker of the House or the Speaker pro tempore.
(b) The prevention of filibusters is more commonly associated with the Senate, and specific rules are set in place to address filibustering tactics.
(c) The power to veto bills lies with the executive branch, specifically the President.

Therefore, the most appropriate answer is (d) gather party members' votes for upcoming bills. The floor leaders, also known as whip positions, act as party enforcers who ensure party discipline and help secure support from their fellow party members for proposed legislation.