No state shall make or enforce any law which shall abridge the privileges or immunities of citizens of the United States; nor shall any state deprive any person of life, liberty, or property, without due process of law; nor deny to any person within its jurisdiction the equal protection of the laws.
Some main similarities between the societies of the Aztec, Olmecs, and Mayas was the use of a calendar, writing systems, religion, pyramids, and rituals.