Answer:
B
Explanation:
In the 1950s, as new suburbs prospered and spread across postwar America, cities suffered. Rising car and truck ownership made it easier for businesses and middle- and working-class white residents to flee to the suburbs, leaving behind growing poor and minority populations and fiscal crises.
He believed the power to buy land did not belong to the federal government, but did it anyway because it would double the size of the country and its resources
Answer:
Under the Treaty of Guadalupe Hidalgo, which settled the Mexican-American War, the United States gained more than 500,000 square miles (1,300,000 square km) of land, expanding U.S. territory by about one-third.
Explanation:
The railroad helped because it provided a means of transportation both safely, and quickly.