Answer:
Boundaries between Spanish and U.S. territories
Step-by-step explanation:
Since there was no clearly defined maps of United States at that time, a dispute arise between Spanish and United States government at that time regarding the extend of the region that included within the purchase.
The Spanish government claimed that The Louisiana purchase only consisted of the western bank of the Mississippi River along with the cities surrounding New Orleans and St. Louis.
United States government claimed that it was much larger than that. They claimed that they had the right to the entire western portion of the Mississippi River, all the way to the crest of the Rocky Mountains , along with additional territories across Rio Grande and West Florida.