South american civilization: - The invention of various type of plants that could be used for medicinal purposes. - The invention of various tools that could be used for artworks
Meso American civilization: - The invention of early agricultural land structuring for irrigation system - The invention of earliest calendar to distinguish time/period
North American civilization: - Popularized the use of tobacco (now it become the most used drug in the world) - Invent several techniques to raise animals.
