Answer :
"C.the Affordable Care Act" is the best example of domestic policy from this list. The others, especially the Marshall Plan after World War II had to do with foreign policy.
Answer:
C.the Affordable Care Act
Explanation:
The affordable care act is also known as Obamacare. This statutes was passed into law with aim that every American citizen gets access to quality health care. The target is low income earners who have there health insurance. The Obama care was very possible that is could covered to about half of the population .
Option A,B and D were foreign policies but option C is a domestic policy which was carried out within the United states .