USA HISTORY

Detailed explanation-1: -The oldest known civilization of the Americas was established in the Norte Chico region of modern Peru. Complex society emerged in the group of coastal valleys, between 3000 and 1800 BCE. The Quipu, a distinctive recording device among Andean civilizations, apparently dates from the era of Norte Chico’s prominence.

Detailed explanation-2: -During the second half of the 20th Century, a consensus emerged among North American archaeologists that the Clovis people had been the first to reach the Americas, about 11, 500 years ago.

Detailed explanation-3: -Ancient civilizations and small colonies once existed across the American continent from the rocky coast of Maine to the desert of Death Valley, California. The evidence has been discovered in artifacts, large mounds built by ancient peoples, pictographs, and petroglyphs, and the oral traditions of Native Americans.

Detailed explanation-4: -These early American civilizations are called pre-Columbian civilizations. This is because they developed long before Christopher Columbus’s first voyage to the Americas in 1492. Three of these pre-Columbian civilizations were the Maya, the Aztec, and the Inca.