I would up load a population of a planet that was rioting, and then Space them just for the hell of it. The planet would be left with a million people, and I would just park a few ships in orbit until the revolt ended. Am I a bad overlord?
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"We've made too many compromises already, too many retreats! They invade our space and we fall back -- they assimilate entire worlds and we fall back! Not again! The line must be drawn here -- this far, no further! And I will make them pay for what they've done!" -- Patrick Stewart as Captain Picard
New Age Ship Yards