“In this instance, we can’t play off the Mohammedans against the Hindus.” Which among the following personalities said this for the revolt of 1857?

Lord Aitchison made this observation about the 1857 revolt, noting that both Hindus and Muslims had united against British rule and could not be easily divided during this uprising. His statement highlighted the rare communal unity during the revolt, which was unusual for the British who typically employed divide-and-rule policies. V.A. Smith, Cunningham, and Reese were historians who wrote about the revolt but didn't make this specific observation.