What are the advantages and disadvantages of the product sold internationally?

What are the advantages and disadvantages of the product sold internationally?
What would be the advantages and disadvantages if the product were sold solely in the United States?
Has your definition of globalization changed from before reading chapter one and answering these questions of a favorite product, or is your definition the same?

Why do countries trade with each other? What would happen if countries curtailed or did not trade with each other? Select a theory discussed in chapter 2, explaining why it is beneficial for a country to engage in international trade.