The movement helped achieve more political rights such as the 19th amendment which gave women the right to vote and they got property rights. I don’t know if this is what you’re looking for or not
There are actually two reasons why Napoleon did so. One was because he knew that if he had held on to it, the United States would start a conflict, and he didn't want that to happen. Also, this is the most important reason, by him helping the United States, and him helping the French treasury at the same time, Napoleon was able to create a world with so much power, that he was able to challenge Britain.
It was one of America's best trading routes, it was used as a commercial, military, and immigrant trail. And then in 18-something they started building it into a train track... I think.
