controlled New Orleans.

Spain controlled New Orleans and Louisiana- land stretching from Mississippi River to rocky mountains

Explanation:

The nascent outpost became the capital of the French Colony of Louisiana in 1723. In 1800, the Spanish retroceded Louisiana back to France, only to have Napoleon sell the entire Louisiana colony, including New Orleans, to the United States as part of the $15 million Louisiana Purchase, finalized on December 20, 1803

Explanation:

the answer would be in this answer. someone already asked the question.