They crossed east into modern day Alaska and Canada. This is known because there is no trace of humans until this time. pls mark brainleist.
Answer: There was continued diffusion of crops and pathogens throughout the Eastern hemisphere along the trade routes.
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try and search it up like copy the question and google has some article or answers i don't really understand that work because i haven't done that but search it up it will prob tell you the answer.
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D. Live in the same towns and cities.
