if birds' beaks are adapted to the different kinds of seeds they eat, and squirrels stomachs can handle the tannic acids from acorns and walnuts (but humans' stomachs cannot, unless the tannins are leached out over the period of a week): shouldn't it follow that according to evolutionary theory, different races will have an easier or harder time eating different foods? and that it will be most beneficial for each race to eat foods that his ancestors cultivated for thousands of years? and that colonialism is doomed to fail, due to the upset in the natural order either from the introduction of foreign crops (plants and animals do not appreciate their territory being challenged, especially in a fast and radical manner) or unnecessary taxation to nature caused by preserving and shipping foods across oceans? this has nothing to do with the hatred of other races, it's simply following the way of nature. obviously nature needs and encourages travel to new lands, but that process must be gradual, or else nature will fight back.
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