The violent Conquest of the West, the Far West, represents the essence of the formation of the current United States, since it amalgamates many of the identity characteristics, aspirations, and contradictions that exist at the origin of this nation. Focusing on the weapons used and their development, on notable historical figures who used them, on the facts and myths created mainly by cinematography, it reveals not only the history, but also the dark intra-history of the United States, of the Far-West, which has subsequently been laundered through the western.