What is the phase one: Anasazi ?

In this first major period they are called the Basketmaker Anasazi because of their highly refined basket making. ... During this period they also began to make pottery, often forming coils of clay inside a basket for structure, then scraping and smoothing the surface with a stone.

Explanation:

early settlements on the subcontinent. both the indus and the ganges rivers carried rich silt from the mountains to the plains. when the rivers flooded, the silt spread over the plains and made the soil in the river valleys fertile for farming.

either wyoming or idaho