Charles darwin’s theory of evolution as written in his book on the origin of species determined that

it refers to race, i am pretty sure this was a popular term in nazi germany or something.

  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