<span>. This civilization is extended far beyond the Indus Valley. The main towns of Indus valley civilization were Harappa, Mohenjo-Daro, Kalimantan, Lethal.
</span><span>. The significant features of Indus Valley civilization are personal cleanliness, town planning, construction of burnt-brick houses, ceramics, casting, forging of metals, manufacturing of cotton and woolen textiles.
</span><span>. Mohenjo-Daro people had finest bath facilities, drainage system, and knowledge of personal hygiene.
</span><span>. They were equally conscious of plant medicine since there was occasional warfare.
</span><span>. The town planning and other characteristics indicate that a homogeneous indigenous culture developed.</span>
Answer:
To justify their authority to rule.
They wanted to take everything they had
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