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.

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

Domestic policy refers to those policies that only affect people of the United States. This is in contrast to foreign policy, which affects how the United States interacts with other countries. Out of these options, the last one is the only one that only has a domestic impact. All of the other options involve other countries, or international policy, such as declarations of war and human rights issues.

d

explanation: