Why was thomas jefferson concerned about losing control of the port of new orleans

he wanted to make sure the United States could ship its goods from the port :)

Two words: Mississippi River.

He didn't want to lose access to the Mississippi River, because back then travel on land was much to slow, so they would use the rivers and canals to quickly travel. And that was before the Industrial Revolution and the invention of trains, so water travel was the fastest by far. And New Orleans was a major port.

you go to appeals court like section e