THE JOURNEY OF CIVILIZATION

Then came the dawn of the agricultural period, during which man discovered more and more ways of harnessing nature. This period saw the development of irrigation, ploughing, the rearing and breeding of animals, and the use of iron and carts with wheels. In this way it was possible to lead a better life as compared to that of the previous age. The industrial period began at the point when man moved ahead from animal power and invented mechanical power. Now man converted water into steam power and made steam engines. There was a further leap forward when petrol was discovered and used for propulsion. Similarly, modern methods of communication were x So far as early homo sapiens was concerned, he possessed the same natural qualities as the people of the present day.