Answer: The answer is A: trade for necessary goods.
Trade agreements are helpful because they allow countries to trade for necessary goods.
Explanation: Trade agreements refer to agreement between two or more countries on the terms of the acceptable exchange of goods and services between the countries. Trade agreement is also any contractual obligations between nations pertaining to their trade relationships. It can bilateral or multilateral that is between two or more states. Trade agreements determine duties and tariffs that countries impose on import and export goods.
