Beginning of Essay
We know from history many various civilizations. Civilizations like Sumerian (4000 BC), Egyptian (3000 BC), Minoan (2000 BC), and Babylonian (1700 BC). Later, the Greek civilization, throughout the Macedonian empire, ranged as far east as northern India and as far ....

Middle of Essay
.... in the Cuzco region of the southern Andes, mountains of South America. Incas’ expansion ended with the Spanish invasion led by Francisco Pizarro in 1532. The Incas were the greatest indigenous civilization of the Americas. Within 100 years they had build a powerful empire, stretching the entire length of the Andeas, at a distance of more than 5,500 km. It was probably the greatest empire of its time life anywhere in the world, if we imagine that they had built a road system that extended some 30,000 to 40,000 km, unrivaled until the invention of the automobile, they possessed great skills in medicine, and they had a fully controlled soci ....