International trade refers to the exchange that involves goods and services between at least two countries.
Your question is incomplete. Therefore, an overview will be given. International trade simply means the exchange of capital, goods, and services between countries. International trade is important for raising the standards of living and providing employment for people.
Consumer surplus is also known as social surplus. It's the difference between the price that's paid by a consumer for a product and the price that the consumer was willing to pay.
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