D and C. he grew up o n a farm soo..
Answer:
To encourage railroad construction across the Great Plains, the federal government gave land grants to many railroad companies. The railroads then sold the land to settlers, real estate companies, and other businesses to raise money to build the railroad.
Explanation:
Poor air and water quality, insufficient water availability, waste-disposal problems, and high energy consumption are exacerbated by the increasing population density and demands of urban environments. Strong city planning will be essential in managing these and other difficulties as the world's urban areas swell.
South. they traveled to the north once they escaped
