Answer:
the railroads meant an advance and an improvement for the people since they had a more feasible means of communication and in the same way something with which the people could keep in the future because being a light where they could stop the train could give them a reason to Doing business, in the movie they kill a man with his children for the land they had where the railroad lines were going to be built, it could be that he refused to build it and not because of it he would divert the roads for another side and significant a problem got him out of the way