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hairybalI t1_j414wwo wrote

Reply to comment by 2011StlCards in Why are coastlines crinkly near the poles but smooth in the tropics? by emsot

Additionally, there are no animals that could easily be domesticated as draught animals in North America. This was the biggest limitation on the development of agriculture there.

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Buddahrific t1_j41dedu wrote

Not to mention the erasure of some of the progress they did have between exposure to European disease, conquest, and religion.

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