Answer:
Buying factors of production from firms.
Explanation:
Heritage day, as its name states, celebrates heritage (obviously). The reason that "closes gaps" from the past is because it celebrates culture that was suppressed in the past, and it promotes diversity and unity that was previously discouraged or prosecuted.
Assuming that this is referring to the same author that was posted before with this question, the correct response would be "<span>(1) efficiency and education"</span>