Economic export and import in the USA

Find one or more articles about a good/service the United States exports and a good/service the United States imports. In a well-written paper, explain the following:

Discuss what this suggests about the United States’ absolute and comparative advantage when it comes to this good/service.
Using the concepts of supply and demand, discuss what effect a “Buy American” campaign might have in the market for the imported good.
Given what economists have to say about comparative advantage, would such a campaign be good or bad?