Executive Branch
It is the Secretary of State's job to negotiate treaties.
The Senate has the important job of approving treaties made by the president.
Making treaties with other countries :)
they make international laws by making treaties
He proposes them and is the chief negotiator in their making.
The president enforces the law, vetoes laws, and makes treaties.
No. The Senate alone votes to ratify treaties.
Diplomacy.
The US President has the Constitutional authority to make foreign policy, with the advice of the Senate, who must approve all treaties.
Samuel Benjamin Crandall has written: 'Treaties, their making and enforcement' -- subject(s): Accessible book, Treaties, Foreign relations
Gerry Nagtzaam has written: 'The making of international environmental treaties' -- subject(s): Treaties, International Environmental law, Interpretation and construction
making treaties,enforcing laws and making laws