<span>Assuming that this is referring to the same list of options that was posted before with this question, <span>the correct response would be the end of the Civil War, since this brought about a victory for the Union and the Republicans who supported it. </span></span>
The <span>main role of the 13 colonies in the British empire was to serve Great Britain, since Britain viewed these colonies as being "cash cows" in that they provided a great deal of natural resources and labor. </span>
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.