Center For Civic Education
60 Second Civics: Role of President Pt. 16: President's Power to Make Treaties
The President is responsible for making treaties, but they still need to be ratified by the Senate.
Center For Civic Education
60 Second Civics: Role of President Pt. 27: Senate Checks on Presidential Power
Congress and the Senate have the power to set limits on the power of the President by refusing to ratify treaties or to support items on the President's agenda.