Identify and describe two contributions to civilization made by each of the primary south, meso, and north american civilizations.

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.