Final answer:
The Mayans, Aztecs, and Incas were advanced for their time in various ways, including advancements in writing, mathematics, astronomy, engineering, architecture, and the arts.
Step-by-step explanation:
The Mayans, Aztecs, and Incas were advanced for their time in various ways.
The Mayans had a written language that combined pictographs and alphabetic letters. They also made advancements in mathematics, astronomy, engineering, and architecture. They developed an accurate calendar based on the seasons and the solar system.
The Aztecs and Incas valued the arts and had permanent stone architecture. They erected large temples and central plazas in their city centers. The Aztecs also had a sophisticated system of hieroglyphics and a system of mathematics that included the number zero.