Urbanization threatened our natural ecosystems. John Muir wanted to protect places like this because he was a
trust-buster.
captain of industry,
believer in Social Darwinism.
conservationist.

b. they tried to evict the squatters from the area.

so sorry if wrong

it increase by 12% a year from 1812-1820

  the common sense as a pamphlet written by thomas paine. it promoted the independence of the colonies from british rule. the distribution of this pamphlet was great, it reached people everywhere and it was even read aloud at places people met. it also unite the colonists before the revolutionary war.

answer is d