The main way in which Europe's role in global trade changed after the European discovery of the americas was that they were able to dramatically increase the import of goods and materials.
The Missouri compromise made by Henry clay said that Missouri would enter as a slave state and that Maine would enter as a free state, also everything above the 36/30 line of latitude was free and everything below it, was slave.
tomas jefferson was the 3rd presedent
Well Britain and France took massive loans from the United States for war supplies. Also the fighting was taking place on French soil which destroyed all the farms and all the farms were fighting the Germans which meant that American farms where needed to grow more crops faster which meant they took out loans and used them to buy tractors to help feed the French and little bit to Britain and also Belgium.