The document discusses the origins and histories of several early MLS teams. It notes that the league was founded in 1996 with 10 inaugural teams to help secure the 1994 World Cup bid. It then provides 3 sentences or less on the origins and references for teams like the New England Revolution (focus on American Revolution history), Philadelphia Union (references the original 13 colonies), DC United (represents unity of the capital area), Chicago Fire (references the 1871 fire), LA Galaxy (references Hollywood stars), and Portland Timbers (references the logging industry in the Pacific Northwest).