which action is an example of domestic policy?
A. The president announces the signing of a trade agreement with an ally.

B. The Supreme Court upholds a controversial law on the military draft.

C. Congress approves a declaration of war on a foreign enemy.

D. A governor signs a law that bans smoking in public restrooms.

So in my further research and base on the question that is given in your post, and base on my further research, I would say that the correct answer among them is letter C congress approves a declaration of war on a foreign enemy. I hope you are satisfied with my answer and feel free to ask for more

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