Which of the following assist the floor leaders in getting party members to vote in a certain way in both houses of congress?
a. whips
b. vice chairpersons
c. committee heads
d. clerks

Whips

Explanation:

Whip is an official of political party. Their job is to ensure discipline in legislature. They ensure that the party members vote according to the party platform instead of will of constituents and their own ideology.

Party whips are elected during party meeting before the beginning of a new congress. One chief deputy whip and few deputy and other whips are selected by each party for a two year term.

They assist party leaderships to bring the party's bills to the house floor  and to maintain communication between the party members and leadership.  

i dont know. sorry : (

the right answer is the end of world war ii

after the end of a global wwii all the nations involved, in an attempt to create an organization to maintain world peace. this agreement would work settling international disputes via negotiation and arbitration instead of leading the issues escalate to another war.