Final answer:
The statement is true. If a country has too many shirts to sell domestically, they can export them to other countries.
Step-by-step explanation:
The statement is true. If a country has too many shirts to sell domestically, they can export them to other countries. Exporting is the act of selling goods and services to another country. It allows countries to take advantage of their comparative advantage in producing certain goods. For example, if a country is efficient at producing shirts, they can export the excess shirts to other countries that have a demand for them.