What does trade do? How does trade impact a region?

Explanation:

What does trade do?

Trade is a economic concept involving the buying and selling of goods and services or the exchange of goods or services between parties. Trade can take place within an economy between producers and consumers.

How does it impact a region?

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.

a.

congress passed laws allowing for free passage between states.