1. Spanish refused to let American good past N.O., serious diplomatic and economic threat <span>2. Louisiana Purchase 3.</span><span>the LT allowed people to trade faster, and it led the L&C expedition, the Federalists elected Aaron Burr to help them even though he was traitor, and also killed Hamilton</span>
1It affected American trade in the west, because Americans weren't allowed to use the route through Lousiana anymore and that made trade go down which meant less money and business.
2US would double its size, an enormous tract of land would be open to settlement, and the free navigation of the MS assured
3 the Louisiana purchase affected the nations economy by being able to trade with the native Americans that lived there.
