It's True......................
The Invention of Farming lead to the creation of river valley civilizations by making it so the civilization could live in these places and have food. The basic concept of river valley farming is that when the river tide goes up, then the soil becomes very fertile and you plant the crops.
D
Because there was a lot of things that went wrong.
The landscape, being mostly very flat, cause many Native American societies to be spread out over significant portions of land, while the climate made them have to adapt to a variety of temperatures. The resources forced them to rely heavily on corn and fish do the inability to plant other types of food.
