maybe bc south american was more temperate. (refer to comment #1)
you mean like, inclement weather? I duno.. i mean South America is warmer I guess? I duno. Europe isn't that warm and that place blew up with people
i think the climates used to be different. north america was previously much cooler.
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actually, i feel obligated to confess: im just guessing. its the big sister in me that is bound and determined to come up with feasible answers to everyones questions. if you lived with frest, youd do it to.