What is the role of the senate in foreign policy

By granting the Senate the sole power to offer advice and consent on nominations and treaties, the Constitution gives senators a major role in American foreign policy. Presidents nominate diplomats and negotiate treaties, but the Senate determines whether those nominees will serve or if those treaties will be ratified.

Explanation:

This to everyone

Also the answer is By granting the Senate the sole power to offer advice and consent on nominations and treaties, the Constitution gives senators a major role in American foreign policy. Presidents nominate diplomats and negotiate treaties, but the Senate determines whether those nominees will serve or if those treaties will be ratified.

b)

it created free trade throughout the colonial territories.