Final answer:
Saudi Arabia exports oil, the United States uses enhanced technology for agriculture, and the Caribbean promotes tourism, with each policy aligning with the country's comparative advantage.
Step-by-step explanation:
To match the country with the policy it follows to boost its economy, based on the information provided, we can determine the following:
- Saudi Arabia exports oil, which is a significant part of its economy and is relatively easy to produce compared to other countries due to its geographical advantages.
- The United States uses enhanced technology for agriculture. It has some of the richest farmland in the world, which makes the production of crops like corn and wheat highly efficient.
- The Caribbean nations promote tourism, benefiting from their beautiful natural landscapes and favorable climates to attract tourists.
These policies align with each country's comparative advantage, where they focus on producing goods or services that they can produce more efficiently than other countries.