Which legislative tool would a senator most likely use to ensure a bill she supports becomes law even though the house and senate passed substantially different versions of the bill?

The Senator may convene a Conference Committee

Explanation:

A Conference Committee is something that any member of the Senate or the House of Representatives can convene in order to mediate and resolve any difference between the legislations.

he supported the seperation of church and state. he also promoted religious tolerance.

im not sure its either a leader of a group of congresspeople or a person from a congressmans district

sorry im not sure