Because they didn't want to cross streams.

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[–] 18 points 2 weeks ago (4 children)

Oh wow. I had to chew on that one for a while. Well played.

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  • [–] 11 points 2 weeks ago* (last edited 2 weeks ago) (2 children)

    Same! If someone needs a hint, best I can do is

    SpoilerThink about Oregon Trail

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