One of the major tenets of karl marx's work was that:
a. peasants and artisans would combine with factory workers to lead the socialist revolution
b. by increasing social interaction, capitalism improved the quality of human relationships
c. industrialization was a social disaster that had to be undone to restore a humane pre industrial society
d. history moves inevitably through a series of stages culminating in communism
e. the historical function of government has been to protect the weak from exploitation by the powerful