The purpose of the conference committee is to

The purpose of conference committee  is to reconcile differences in legislation that has already passed through the chambers.    

Explanation:

The conference committee has members of Senate and House conferees The functioning of the conference committee is exactly like an ad hoc joint committee which is established to settle dissensions and discords that emerge during the passing of identical bills by the Senate and also by the House. The conference committee is responsible for carrying out the drafting of compromises based on the bills presented by both the chambers of the Congress.

slavery, abortion, donald trump, gay marriage, racial rights, immigration  

explanation:

anything that has been broth up to the supreme court is something of grate political divide   so just look as court cases

adopted the practice of proskynesis, a persian court custom that involved bowing down and kissing the hand of others, depending on their rank.