The Ricardian model and reasons for trade in 2007, the United States imported almost $3 billion of iron and steel products from Brazil. how would this Ricardian model of trade explain this fact?
A. The United States does not have enough resources to produce all the steel it needs.
B. Brazil can produce iron and steel more efficiently than the United States can.
C. Brazil has an absolute advantage over the United States in producing iron and steel.