Part 1 of Essay
The , an ancient civilization in South Asia, existed from about 2700 to 1750 BC. It is sometimes referred to as the Harappan civilization, named for the site of Harappa, one of its major centers. Geographically one of the most extensive early civilizations of the Old World, it stretched from north of the Hindu Kush down th ....

Part 2 of Essay
.... advanced cultures in Mesopotamia and on the Iranian plateau to Baluchistan and ultimately to the Indus Valley. Today this theory is seen as largely incorrect. Knowledge about early plant and animal domestication in lands east of the Iranian plateau is still obscure, but the results of excavations at the important site of Mehrgarh, at the foot of the Bolan Pass, indicate that large settlements may have existed as early as the 7th millennium BC. Two thousand or more years later sites in eastern Baluchistan and the ....