<span>The best choice is option C: Signing the Central America Free Trade Agreement. Also known as CAFTA, this agreement included the United States and various countries in Central America. Trade agreements such as this one develop new open markets, eliminate tariffs, and increase access to a variety of services.</span>
Metamorphism is the addition of heat and/or pressure to existing rocks, which causes them to change physically and/or chemically so that they become a new rock. Metamorphic rocks may change so much that they may not resemble the original rock.
Think about how those countries are islands, and how cultural diffusion works. Do you think it would be easier or harder for cultures to spread around there?
