Marxism and the United States - Part 3 United States Share Tweet This is part 3 of Alan Woods' 4 part article on Marxism and the United States. In the USA in the nineteenth century there was an unprecedented development of the productive forces and this brought into being a mighty working class with its labour organisations, starting with the Knights of Labor in 1869. The list of working class martyrs of American Labor is endless, the most celebrated being the Chicago martyrs of 1886 - as a result of which the American working class gave May Day to the rest of the world. This was followed by the IWW, the AFL and later the CIO. There is a rich history of working class struggles in the United States that we can draw lessons from. Read the article here.