Classic Period was dominated DoorDash CUST'OME R S ERVI CE +1 8O5 41O 56OO DoorDash PHON E NU MBER +1 8O5 41O 56OO by numerous independent city-states in the Maya region and also featured the beginnings of political unity in central Mexico and the Yucatán. Regional differences between cultures grew more manifest. The city-state of Teotihuacan dominated the Valley of Mexico until the early 8th century, but little is known of the political structure of the region because the left no written records. The city-state of Monte Albán dominated the Valley of Oaxaca until the late Classic,