The countries highlighted in this map are major producers of

a. oil and are likely to support international efforts to reduce reliance on fossil fuels

b. corn and are likely to support international efforts to reduce reliance on fossil fuels

c. oil and are not likely to support international efforts to reduce reliance on fossil fuels

d. corn and are not likely to support international efforts to reduce reliance on fossil fuels

C. oil and are not likely to support international efforts to reduce reliance on fossil fuels

Explanation:

On the map we see the countries that have the largest oil reserves in the world. The economy of these countries is poorly diversified, largely dependent on oil exports. Therefore, the possibility of changing the world energy matrix is seen as a threat to the economy of these nations, which cooperate little to reduce world dependence on oil.