The Minutemen are the first faction you really get the opportunity to join. Commonwealth Minutemen Guide – Fallout 4 Faction Who are the Commonwealth Minutemen in Fallout 4? We’ve outlined what each of the groups is like, as well as the rewards you can get for sticking with them, to help you make up your mind. This isn’t the case in Fallout 4, where every faction out of the four you can join is generally pissed off with two of the others. In a lot of Bethesda games you get to join every group out there and end up leading them all half an hour later, despite the logical conflicts this might cause (we’re looking at you in particular, Elder Scrolls series).