In the United States on the East Coast- New York, Boston, Charleston, Norfolk.
They used supply and demand and traded very many things
<span>because Cuba was so close to the US and Guantonamo Bay would be a useful harbor</span>
<span>- to produce more of certain goods and services in a more efficient way
- to trade with one another for goods or services they cannot provide on their own
- to produce more goods and services, and to contribute to greater global prosperity
In regard to goods or services a country cannot provide on its own, it may also simply be that it cannot provide those goods or services with the same degree of efficiency or quality as can another country. This is the idea of comparative advantage, where each country focuses on producing those things in which it has an advantage over others and then trade with others for the other goods or services it desires. On the global scale, this does increase productivity and prosperity overall.
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