Aztecs: The Aztecs were a Mesoamerican civilization known for their capital city Tenochtitlan, advanced agriculture, and complex social structure.
Mayans: The Mayans were a Mesoamerican civilization known for their sophisticated calendar system, hieroglyphic writing, and impressive stone architecture.
Incas: The Incas were a Mesoamerican civilization known for their vast empire in South America, innovative agricultural practices such as terracing, and impressive road network.