Respuesta :
"The president can make treaties, but the Senate must ratify them" is the statement that shows the people having the responsibility in respect to foreign relations. The correct option among all the options that are given in the question is the first option or option "a". I hope the answer comes to your help.
Under the constitution the president can make treaties, but the senate must ratify them. This is done in order to provide checks and balances so that no one person has total control or power. The constitution has many examples of checks and balances in order to avoid total control.