The only branch of the United States Federal Government that can enter into treaties with other sovereign nations is the legislative branch.
The Legislative Branch
The senate approves and disapproves treaties but the executive branch makes the treaties with the other countries!
Legislative
Makes treaties and approves laws
In the United States, the Executive branch provides the process for signing and approving treaties with foreign entities (generally the responsibility of the President).However, the Legislative branch (specifically the Senate) is responsible for ratifying any treaty signed by the President. A two-thirds majority in the Senate must approve the treaty in question for it to be officially ratified.
The Legislative Branch can ratify treaties; The Senate approves Presidential Appointments
The Senate ratifies treaties entered into by the executive branch of government.
The executive branch of the U.S. government has the power to negotiate treaties with foreign nations. Specifically, the President negotiates treaties, but they must be ratified by a two-thirds majority in the Senate to become legally binding. This system ensures a check on the President's power by requiring Senate approval for international agreements.
The Judaical branch
The Legislative branch but more specifically the Senate. The president proposes but the Senate must approve by 2/3 of the vote.
The legislative branch is responsible for the approval and ratification of treaties.
The legislative branch is responsible for the approval and ratification of treaties.