Timeline for What would be the societal effect of a higher technology planet visit a lower technology one?
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| Apr 13, 2017 at 12:52 | history | edited | CommunityBot |
replaced http://worldbuilding.stackexchange.com/ with https://worldbuilding.stackexchange.com/
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| Dec 10, 2014 at 14:24 | history | answered | ArtOfCode | CC BY-SA 3.0 |