Is there any evidence that the Indus Valley people engaged in trade ?

The Indus civilisation's economy appears to have depended significantly on trade, which was facilitated by major advances in transport technology. Many Indus artifacts including jewelry, fabrics, and the famous Indus Seals have been discovered in the ancient cities of Iraq.

just like you man, i personally think its either c or d

explanation:

but good luck with the test man