The were partially known for their massive pyramids, human sacrifices, and ornate body ornaments. nazca chavin moche cuzco

Moche

Explanation:

The Mochica, agricultural society like all pre-Columbian cultures, worshiped the forces of nature. They considered human sacrifices necessary to maintain world order and curb disasters, such as those caused by the El Niño phenomenon. The study of images in Mochica art has allowed us to reconstruct the most important ceremonial sequence. This began with a ritual combat and culminated in the sacrifice of the defeated in combat.

the answer to your question is:

strong-mayor system