Foreign with respect to what country? Ten bucks says you're asking this from the USA. There's nothing wrong with that, but you're participating in a global forum. Consider that when phrasing your question.
Congress
The Senate.
The Senate.The senate has to
It must be approved by the senate foreign regulations.
The president does the foreign policy stuff.
Treaties made by the United States with a foreign power must be ratified by Congress.
ugh
The Senate! :)
The Senate.The senate has to
all of them
In the US, only the Federal Government can do this; states cannot do this individually.
Approve treaties made with other countries