This civilization is said to have come to an abrupt end. The following reasons are put forward for its abrupt end:
By 1700 B.C., the Indus civilization had gradually broken up into smaller cultures, called late Harappan cultures and post-Harappan cultures. However, some aspects of Indus art, agriculture, and possibly social organization continued in the smaller cultures. Some of these aspects became incorporated into a unified urban civilization that began developing throughout the region about 600 B.C.
- The neighboring desert encroached on the fertile area and made it infertile.
- Regular floods destroyed the area.
- Aryan invaders killed people and destroyed the Indus Valley Civilization. The Harappan people were peace loving. They did not have weapons to attack others or to defend themselves. They had implements for hunting or farming. So they could not defend themselves against the invaders. The destruction of these people by Aryans was a sad event in history. The Aryans lived in villages and knew nothing of urban life. Thus it took hundred of years again for India to have beautiful cities like Mohen-jo-daro and Harappa.
- The end was partly caused by changing river patterns. These changes included the drying up of the Hakra River and changes in the course of the Indus River. The river changes disrupted agricultural and economic systems, and many people left the cities of the Indus Valley region.
- Earthquakes and Epidemics caused destruction.
The Indus Valley people gave to the world its earliest cities, its town planning, its architecture in stone and clay, and showed their concern for health and sanitation. They built a scientific drainage system in their cities.
There is enough evidence to show that some of the early conceptions of Hinduism are derived from this culture. On the whole, the present civilization is a composite product resulting from a fusion of several cultures where the contribution of the Indus Valley is of utmost importance.
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