What is an enumerated power congress has in making foreign policy?

Declaring war and ratifying treaties

Explanation:

An enumerated power of congress has in making foreign policy are as follows

1) To declare war

2) To ratify treaties.

3) Also had the power to regulate commerce with foreign nations

Enumerated power which is also called expressed powers or delegated powers of the United States congress can be found in Article 1, section 8 of the United States Constitution.

An enumerated power of congress act accordingly to the power bestowed on it by the United States Constitution.