In today's global economy, many products that Americans use every day were produced in other countries. We drive Japanese cars, wear clothes from China, and sit on furniture from Canada. These products come by trucks and trains or arrive at United States ports aboard huge freighters like the one you see here.
Check the labels on clothing, appliances, electronics, and other items that you use every day. Then make a list of the items and the countries in which they were made. What does your list suggest about the importance of international trade?