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Not only are they taught this, it is still the prevailing theory, with the number somewhere between 2 and 20 million people for the US and Canada. The cold har
by merpnderp 10y ago
Not only are they taught this, it is still the prevailing theory, with the number somewhere between 2 and 20 million people for the US and Canada.
The cold hard truth is there isn't enough evidence to make anything but wildly rough guesses.