Analysis of information sources in references of the Wikipedia article "Δυτική Ακτή των Ηνωμένων Πολιτειών" in Greek language version.
Archaeological evidence, in fact, recognizes that people started to leave Beringia for the New World around 40,000 years ago, but rapid expansion into North America did not occur until about 15,000 years ago, when the ice had literally broken.
