Why are the earliest americans known as prehistoric indians? because they built burial mounds. because they did not have a written language. because they did not have tools. because they had vast library systems. which early american indians were nomadic? neo-indians meso-indians paleo indians archaic indians which early american indians created clovis points? archaic indians meso-indians paleo indians neo-indians which group of early american indians were full-time farmers? meso-indians paleo indians archaic indians neo-indians which of the following was the most important food for native americans? squash corn beans bread how is the diet of historic indians similar to the diet of the average american today? most americans farm. americans are still hunter-gatherers. corn is a significant part of the american diet. fish is the largest source of protein for today’s americans.