Which of these is the correct order of ancient civilizations that existed before early American history? Which existed first, second, third, and fourth? A. Inca, Aztec, Mayan, Anasazi b. Aztec, Inca, Anasazi, Mayan c. Mayan, Anasazi, Aztec, Inca d. Anasazi, Mayan, Inca, Aztec