3. served as centers of trade which
helped to reinvigorate the economic
prosperity of feudal Europe.

d. people are naturally good, and their expressed will is what is best for society

explanation:

answer: karl marx, max weber, and emile durkheim (the fourth could be considered georg simmel)

explanation:

  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