In economic terms, what is a trade barrier?

 A trade barrier is a restriction on international trade.

Explanation: Trade barriers are government efforts to control/block any trades outside the country. They decrease general economic efficiency, which can be further supported by the theory of comparative advantage. Comparative advantage means that when a country produces a good for a lower opportunity cost than other areas. A country with comparative advantage makes trade-offs worth it.

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2b2t

explanation:

2b2t

your answer would b. the missisipi river

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