I was surprised that the original ostracized the slave-trade. I surmise that it was dropped in favor of missionaries procuring converts. The latter actually resemble slaves; they are unable to settle/use tools, are poor statesmen - producing half as many liberty bells compared to a standard colonist, are 2/3 less effective than standard colonists when manufacturing, but receive a +1 bonus when put to work on a tile (they are industrious outdoorsmen). Of course, you don't <i>import</i> them; you must subjugate villages with missions to accrue them. If you attack the missions, either it is destroyed or reeling natives flee and become converts.
If you want to add a new dimension to the game, then implement it; if you want to maintain the game's original flavor, then don't for that reason alone, not the one suggested in the poll. Yes, of course slavery was (and in some parts of the world, i.e. Sudan, still is) a nefarious institution, but isn't imperialism itself immoral? Doesn't the game allow you to eradicate large native populations without any sort of compunction?
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