It is President.
The legislative branch
The Senate has influence in the area of foreign policy through its power to approve treaties.
It must be approved by the senate foreign regulations.
Treaties made by the United States with a foreign power must be ratified by Congress.
legislative
The Senate! :)
The Senate.The senate has to
Executive
Executive Branch :)
The Senate.The senate has to
Congress
In the US, only the Federal Government can do this; states cannot do this individually.