The Constitution gives senators a significant role in determining American foreign policy by giving them the only authority to provide advise and consent on nominees and treaties.
The Senate decides whether or not the president's candidates for diplomatic positions will be filled and whether or not the proposed treaties will be enacted.
A permanent committee of the U.S. Senate, the Committee on Foreign Relations is in charge of directing discussion and legislation regarding foreign policy in the chamber. The President is able to negotiate and sign treaties, which are then ratified by the Senate, as part of the Executive Branch's diplomatic efforts with foreign countries. Executive orders that direct executive officers or further the provisions of existing laws may be issued by the President.
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