In both cultures, the basis of their economy was agriculture. But this was very difficult to carry out due to the geographical conditions in which they were. They were located in an area where the climate was very dry, the land was scarce and there was very little water to irrigate those lands. Both Chavin and Nazca solved this by using underground aqueducts to transport water and, therefore, irrigate the crops permanently. Then, the most important reason why they resorted to this mechanism is the lack of water to irrigate the crops.
It established the principle that everyone is subject to the law. Even the king. It also guaranteed the rights of individuals, and the right to a fair trial.
The French had set up trading posts in the Louisiana Territory and traded goods using the Mississippi River as transportation. The river leads into the ocean, specifically in New Orleans. New Orleans was a major port used to transport goods from the Louisiana Territory back to Europe.
The Igbo lacked a centralized political organization.
Hope this helps:)
