Which may have been a reason for the decline of civilization in the Indus Valley? a.Disease destroyed much of the population.
b. Major sandstorms destroyed the crops.
c. Craftsmen and laborers could no longer make a living.
The Indus Valley Civilization may have met its demise due to invasion. According to one theory by British archaeologist Mortimer Wheeler, a nomadic, Indo-European tribe, called the Aryans, suddenly overwhelmed and conquered the Indus River Valley.
