Assuming you are referring to the USA, then any duly authorised person. This may or may not include, depending on their remit, members of the cabinet, ambassadors, officers specifically appointed.
The Legislative Branch, specifically the Senate.
Executive Branch
The legislative branch
which branch has the power to make treaties with the senate's approval
The Senate must approve treaties and presidential appointments.
In the United States, the President has the power to negotiate and make treaties with other nations, but these treaties must be ratified by a two-thirds majority in the Senate. This process ensures that while the President can engage in diplomacy and international agreements, the Senate has a significant role in the final approval of treaties. Additionally, the President can also enter into executive agreements with foreign leaders, which do not require Senate approval.
Otherwise he would have too much power.
When The President Receives The Approval From The Senate "!
The Executive Branch, under Article 2 of the constitution. He/she has the power to make treaties, appoint ambassadors and justices(judges) of the Supreme Court with the approval of 2/3 of the Senate.
Treaties are not final until the Senate approves them.
No. The power to make treaties is exclusive to the Federal government.
National