Answer:
Third option
Explanation:
Your answer is the third option or "Rocky Mountains." The Louisiana purchase was an enormous purchase of land for 11.25 million dollars. (Which was a huge amount at the time) The Louisiana purchase was about 830 thousand miles of land and it stretched from Mexico all the way to the Rocky Mountains. The purchase also included many different states we have today like Missouri, Nebraska, North/South Dokata, and many more.
Hope this helps.
