U.s. possession of the louisiana lands gave what four other major rivers permanent access to new orleans and export-shipping facilities

Here is the correct answer of the given question above. 
The U.S. possession of the Louisiana lands gave the Rio Grande, Arkansas River, Missouri River, and Ohio River permanent access to New Orleans and export-shipping facilities. Hope this is the answer that you are looking for. 

it's going good so far how's your day?