Final answer:
Glass beads were introduced by Europeans to Native Americans, and the Anasazi are known for their cliff dwellings. Wampum was not introduced by Europeans but was a traditional item of Native Americans.
Step-by-step explanation:
The item that Europeans introduced to Native Americans that is not listed among the options provided is B) glass beads. Wampum was indeed used by Native American tribes but it was not introduced by Europeans; it refers to a traditional shell bead of the Eastern Woodlands tribes of Native Americans. Both copper kettles (C) and metal tools (D) were introduced by Europeans after their arrival in the New World.
As for the Native peoples who built homes in cliff dwellings that still exist today, the correct answer is A) Anasazi. The Anasazi, also known as the Ancient Pueblo Peoples, were a Native American culture that lived in what is now the Southwestern United States. They are famous for their cliff dwellings, particularly those found in Mesa Verde National Park.