Botiller v. Dominguz was a decision by the United States Supreme Court that dealt with a region of the southwestern United States that was the third largest acquisition of territory in US history, with what being the largest? 
Mexican Cession: The Mexican Cession of 1848 is a historical name in the United States for the region of the modern day southwestern United States that Mexico ceded to the U.S. in the Treaty of Guadalupe Hidalgo in 1848.
i don't know