The Mayan, Aztec and Incan civilizations each contributed major accomplishments to the world today. These accomplishments established them as advanced societies during their time. The Incans built a large road system, devised a complex irrigation system and developed their own language. The Mayans constructed the largest structure known until modern times, made drastic accomplishments in mathematics, studied astronomy and formed a calendar. The Aztecs built well-organized cities and developed a writing system based on pictures. …showed first 75 words of 515 total…

…showed last 75 words of 515 total…Three. The Aztecs also created their own writing system based on pictures. They were pyramid builders and participated in trade with other countries. The Mayans, Aztecs and Incas were all advanced in their own ways. The Aztecs advanced in how their cities were laid out, the Incas united their empire through their road and the Mayans made advances in learning and in architectural planning. These advances are all considered major accomplishments by modern day historians.