What was life like in what is now the Great Plains region of the United States? There were many different Plains people. Some wandered the plains in search of foods. Others settled down and grew crops. They spoke different languages. Tribes communicated with hand signals, smoke signals, mirror signals, and pictographs. Why was the buffalo so important? What different did horses make? Why did the Plains people prefer teepees to houses? Why were names so important? What did coyote do to earn the name Clever Coyote? Welcome to the Plains People in Olden Times.