If you do the quest for Mr House, make sure you also go see Ambassador Crocker if you want to advance the NCR questline, for example. For example, House, Caesar, and Ambassador Crocker will all tell you to visit the Boomers. At some point, each quest line will block off the other quest lines, and you will get a message telling you that if you keep doing what you are doing, a particular faction won't want to work with you any more. You can follow all of the quest lines (House, NCR, Independent, Legion) up to a point. The third is Vulpes Inculta, or if you killed him previously, another Legion representative. Go meet with Ambassador Crocker if you want to follow the NCR quest line. The second is an NCR messenger who will tell you to meet with Ambassador Crocker. Either way it has no impact on an NCR playthrough. He was back in Beijing in 1940 and volunteered to join a British military. They will approach you either as you leave the Lucky 38 or as you leave the Tops casino. Australian Babbler genus Morganornis Mathews, 1912 NCR Now in Pomatostomus. At some point, depending on how and when you do things, you should be approached by three people.
