How did Jefferson fell about the possibility that France might close off the Mississippi River?

Answer 1

President Thomas Jefferson was perturbed by the possibility that France might close off the river. To prevent this, he resolved to buy New Orleans, together with western Florida, from the French.

Answer 2

Thomas Jefferson was concerned about France closing off the Mississippi River to American trade because it would hinder economic growth in the United States. He believed in the importance of maintaining access to the river for western farmers and settlers. This concern influenced his decision to negotiate the Louisiana Purchase with France in 1803 to secure American access to the Mississippi River and the port of New Orleans.