Which type of trade barrier is explicitly used for political purposes?

embargoes

Explanation:

Embargoes is a restriction of trades that we impose to other countries as a form of punishment that arise because of the  poltical dispute that we have with that country.

An example of an embargo would be when united states put a limit to china's goods because United states' accusation that china has been spying for information using the modem that they sold to the US market.

answer; health-related quality of life;