Answer:
False
Step-by-step explanation:
The statement that the Aztecs developed the first known writing system in the Americas is false. The first known writing system in the Americas is attributed to the ancient civilizations of Mesoamerica, particularly the Olmec and Zapotec cultures, which predate the Aztec civilization. The Aztecs, while having a system of pictorial symbols and codices, did not develop the first writing system in the Americas.