The treaty ended the revolutionary war. The British recognized the us as a free country. The Mississippi river would be the western boundary of the us
The simple answer here is because of slavery.
Answer:
William Crawford Gorgas, (born Oct. 3, 1854, Mobile, Ala., U.S.—died July 3, 1920, London, Eng.), U.S. Army surgeon who contributed greatly to the building of the Panama Canal by introducing mosquito control to prevent yellow fever and malaria.
Explanation:
