It impacted the Indians because the cool ocean winds brought heavy rain to the area, so the dense and high forests developed. Fish and wildlife also filled these forests and streams that flowed through them. So they've got more food.
Because it was very dry and they had very few trees to create from a kind of clay used as a building material.
They used Kachinas to convey fundamental values and when they were dancing they believed they went into their bodies and assumed they were messengers between gods and men. The dolls are polite and kind.
