What are two famous empires in central and south America at the time?

Two famous empires in Central and South America were the Aztec Empire and the Inca Empire. The Aztec Empire, located in present-day Mexico, was known for its advanced agricultural practices, monumental architecture, and complex society. The Inca Empire, which thrived along the western coast of South America, particularly in modern-day Peru, was renowned for its vast road networks, sophisticated administration, and impressive engineering feats such as Machu Picchu. Both empires had significant cultural and historical impacts before the arrival of European colonizers.