Do what u need to do with assignments don’t do extra for nothing lol
Answer:
The Gadsden Purchase is a 29,670-square-mile region of present-day southern Arizona and southwestern New Mexico that the United States acquired from Mexico by the Treaty of Mesilla, which took effect on June 8, 1854
Explanation:
Gadsden's Purchase provided the land necessary for a southern transcontinental railroad and attempted to resolve conflicts that lingered after the Mexican-American War. ... In 1853, Mexican officials evicted Americans from their property in the disputed Mesilla Valley
One of the reasons for The Great Migration was the racism which took form of aggression and even lynchings of the black population: around 3 000 people were lynchted in total during this time.
So people were escaping segregation and violence and searching for a better life in the North, were the racism was not as severe.