Final answer:
The Anasazi, or Ancestral Puebloans, built impressive cliff dwellings in present-day Arizona and Colorado using stone and adobe construction techniques.
Explanation:
Anasazi, also known as Ancestral Puebloans, were an ancient Native American group known for their cliff dwellings located in present-day Arizona and Colorado. These structures, such as those in Mesa Verde National Park, were built into cliff faces using stone and adobe construction techniques during the Pueblo II and Pueblo III eras.
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