The excavations at the Late Harappan/Chalcolithic site of Sanauli in Uttar Pradesh have revolutionized our understanding of ancient Indian society primarily due to the discovery of which of the following?

Options:

• A: Large granaries and advanced water-docking systems indicating state-controlled trade.
• B: Coffin burials containing copper-plated anthropomorphic figures, solid-disk wheeled wooden carts (interpreted as chariots), and copper weapons.
• C: Evidence of mass cremation and ash mounds indicating a sudden, violent end to the settlement.
• D: Multi-tiered stone-built tombs resembling the megalithic structures of South India.

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