What is one reason that scholars do not completely understand some important parts of harappan society?

The reason as to why scholars have not been able to know much about Harappan society is that historians have not been able to read their language.

Explanation:

The best way for historians to know more about some discovery, is knowing the peoples culture, language and other aspects which help them find data through lets say reading.By the fact that, historians have not been able to read the language of the Harappan, makes it difficult to know what exactly they were trying to communicate,

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