Catholic Reformation: a recovered papacy; the reclamation of old religious form and the authorizing of new ones, most greatly the Jesuits; and the reaffirmation of traditional Catholic doctrine at the assembly of Trent. The reclamation of religious orders also tested expensive to the amend of Catholicism. Old rules were recovered and reformed by eradicating corrupt practices. New rules were constructed as well. Jesuits were among the new orders. They settled schools that have a lot of humanist educational methods, converted many non-believers to the faith and fought Protestantism.
The American Revolution could have been won without any aid that they been left complete by themselves. The crisis during this revolution was already before the military forces had provided by any help and aid, that came from abroad nevertheless this help was welcome gratefully. They would have won American revolution all by themselves but where happy to receive help from abroad. In which France was the first to shake hands on this later joined by Spain, Holland and Prussia.
These ideas are most closely associated with no other than Karl Marx. He brought about this idea in his seminal work called the Communist Manifesto, where he talked about various things pertaining society and class struggles. Among them he also develope dthe notion of the dictatorship of the proletariat where the proletariat would have all the political power in a new type of society.