Which civilization had the most impressive achievements?
In my opinion, the Aztecs were the most impressive. They adapted and improved the Mayan calendar to be more accurate. This was useful for farming, navigation, and astronomy. They also constructed the great city Tenochtitlan, which was built entirely on artificial islands created by the Aztecs. They Aztecs were also very gifted with art, poetry, music, dance, and sculpture. They created many amazing architectural structures, and had a written language called pictographs. These are just some of the many great things the Aztecs