Answer: The correct answer is : To the east, the Mississippi and to the west, The Rockies.
Explanation: The purchase of Louisiana gave the United States direct access to the Mississippi River. With this purchase almost double the size of the United States, allowed them to control the Mississippi and have a western expansion. The total value owed for the purchase by the United States to France was 15 million and was canceled as follows: 3 million dollars in gold and the remaining value in bills and coins.