Answer:International trade allows countries to expand their markets and access goods and services that otherwise may not have been available domestically. As a result of international trade, the market is more competitive. This ultimately results in more competitive pricing and brings a cheaper product home to the consumer.
In another sentence: Trade is central to ending global poverty. Countries that are open to international trade tend to grow faster, innovate, improve productivity and provide higher income and more opportunities to their people. Open trade also benefits lower-income households by offering consumers more affordable goods and services.