Green Technologies May Prove to Be a Boon for the American

Green technologies may prove to be a boon for the American economy because

A) the United States has already signed trade agreements with numerous countries to export green technologies.
B) the United Nations has passed a resolution asserting that only the United States will be allowed to produce green technologies for the next 10 years.
C) the profit margins on green technologies are much higher than those of more traditional products.
D) America's highly skilled labor force provides it with a competitive advantage over many other countries.