The Louisiana purchase was when the us bought the area by Louisiana and all the way north until modern day Montana. Lewis and Clark went on the expedition during Jefferson's presidency. The purchase doubled the size of the nation and continued the goal to move westward. The territory was originally for France and it was sold for 18 dollars per square mile. This is original and I hope this helps
Explanation:napoleon need money. he has Louisiana land. president want land. napoleon want money. both made agreement. USA get land.napoleon get money.
