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The recent archaeological evidence mentioned in the passage ----.
One of the most intriguing questions in American
archaeology: Who were the earliest people in the
Americas? For much of the past 80 years, scholars
have thought that they were members of the Clovis
culture, whose ancestors came to North America from
Siberia some 13,000 years ago. In recent decades,
however, archaeologists have come to believe that
people reached North America far earlier. A new
discovery from the Gault site, in central Texas, offers
robust evidence not only for a much earlier peopling of
the Americas, but also of a previously unknown tool
tradition that is older and more varied than scholars ever
expected. Archaeologists have found stone tools
including projectile points, blades, and flake tools at the
Gault site, the oldest of which date to between 20,000
and 16,000 years ago, thousands of years older than
any of the stone spear points for which the Clovis are
known. “What we’re seeing is a well-developed toolkit,”
says Tom Williams of Texas State University. “These
were clearly people adapted to surviving in their
environment.”