Who established a precedent that the president would play a prominent role in foreign affairs?

George Washington

Explanation:

Who established a precedent that the president would play a prominent role in foreign affairs?

George Washington was the first president and founding father of America as an independent country. Maddison proposed foreign affairs as a department. The president can establish treaties but must be submitted to the upper chamber. A vote by the two-thirds of the house will make it valid constitutionally.

c. is the answer : ) (you may punch me if im wrong lol)