His only option is to sell his territory in Louisiana to Thomas Jefferson who ends up buying the land and this event will go down in history as the Louisiana purchase (Lecture 9B). This was bad for slavery in America as Louisiana started to become a large slave state due to its high volume production of cotton. The production of cotton sparked an idea in Jefferson. He wanted to ban all American vessels from sailing for foreign ports through an act called the Embargo act (Foner 610). This would ultimately hurt the economies of American port cities, but would also put a stop to international slave trading. This was a good step for slavery because it meant that no more slaves could be imported from Europe or overseas, and with the high demand for labor in the U.S. due to cotton production, naturally we see the price of slaves going up. There was also a downside to this as well, because it meant that slave owners were now more keen on keeping their slaves and making sure they did not escape. This trend of slavery began to continue in the southern part of the United States but during this same time, other ideas were arriving in the