Which early native american society built cliff dwellings and which built mounds?

Anasazi

They built their dwellings around mounds in order to make it easier to see the enemy coming from any direction. Such constructions also aimed to slow down an enemy attack  by making it hard to attack given that they had to march uphill.

adopted the practice of proskynesis, a persian court custom that involved bowing down and kissing the hand of others, depending on their rank.