what were the cause of Indus valley civilization to decline? write 4 reasons
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Answer:
1. Floods:
The massive floods in the Indus must have been a potent cause for the extinction of the Harappan culture. The point is proved by the silt-clay that covers the collapsed houses at Mohenjo-Daro. Repeated floods must have forced the people to flee the inundated places and set up permanent habitat elsewhere. As a consequence came the decline of Harappa.
2. Earthquakes:
Geographically, the Harappan culture occupied an area that was prone to earthquakes as it came under a seismographic zone. Repeated seismographic vibrations must have led to erosion that brought down the buildings. Earthquakes constitute an important reason for the decline of Harappan culture.
3. Change of the Course of the Indus:
Some Historians attribute the decline of the Harappan culture to the river Indus changing its course frequently. As such the Indus delta shifted away from Mohenjo-Daro and water became scarce. Water scarcity must have led to the exodus of the Harappan people to other places. Yet, the change of course of the Indus is not reason enough for the decline in Lothal, Kalibangan, Rupar etc. because the Mohenjo-Daro situation did not occur in these regions.
4. Plague:
Outbreak of the plague epidemic is shown as a reason for the decline of Harappan civilization. Skeletal remains from the main roads of Harappa and Mohenjo-Daro as found out through archaeological efforts tell a sad story. When an epidemic like plague visits a human habitation, it leaves its trail of death everywhere. The scattered skeletal remains therefore lead some to attribute it to epidemic like plague, though there is no concrete proof of outbreak of plague in the region.
Explanation:
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