Answer:
c. impeaching
Explanation:
Impeaching is the act of removing someone from a certain political position. Typically, Impeachment will be conducted when a certain group managed to collect a solid proof that the government official is abusing the position that he/she has.
The power to conduct a trial for impeachment belong to the Senate. Interest groups do not have the power to do it since the group itself technically are not a member of government officials.
