Answer:
Overpopulation, Pollution, Burning Fossil Fuels, and Deforestation
Explanation:
I did this in a test and got it right!
The Anasazi people lived in the southwestern region of what is now the United States.
Because of the railroad, the state population grew from 172,000 to 780,000 in twenty years
True I believe.
Hopefully i am correct :)
Explanation:
Even after six years of construction by 1,000+ workers, the 250-room castle was not complete when George Vanderbilt opened it in 1895. Work continued for years.