Columbia (or the United States)'s largest export to the rest of the world is engine parts, car parts, and automobiles. Oil and uranium come from countries like Iran, Iraq, Saudi Arabia and Canada. Corn comes primarily from countries like Belize, Guatemala, and Honduras. The answer to your question is automobiles.
1 Germany lost land, the Ottoman Empire was dissolved and Russia lost some land. 2 Ottoman Empire and Germany. Well the Ottoman empire was destroyed and Germany was forced to give it up.
