Question

Can you guess why some harappan cities were surrounded by high walls ? ​

Answer 1

Answer:

The walls were high because they served as retaining walls. ... The walls also served to enclose – to separate parts of cities from one another possibly for reasons of status or community differences, to keep animals in during the night and protect them and the population from raiders, to protect sites from floods, etc.

Explanation:

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Answer 2

The walls were high because they served as retaining walls. As people continued to live in one place, they rebuilt their houses many times on top of the foundations of the earlier structures. Over time these houses would have fallen off of the resulting mound unless massive walls were built to keep the edges of the mound from eroding away. The walls also served to enclose – to separate parts of cities from one another possibly for reasons of status or community differences, to keep animals in during the night and protect them and the population from raiders, to protect sites from floods, etc. Which sites had wall .