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1. Who were some of the proposed builders of the impressive earthwork mounds found throughout the Mississippi and Ohio river valleys?
1. Who were some of the proposed builders of the impressive earthwork mounds found throughout the Mississippi and Ohio river valleys? Why were the ancestors of the Native Americans not considered legitimate candidates?
2. Briefly explain what the archaeological, linguistic, and genetic evidence indicate about the peopling of the Americas. Which of these kind of evidence do you think is the most reliable?