Which action of Raja Sansar Chand prompted the hill chiefs to invite Gurkhas to invade Kangra?
(A) his failure to retrieve Kangra fort
(B) his attack on Kahlur state and capture some territory
(C) his alliance with Sikh Chief Jassa Singh Ramgarhia
(D) his defeat at the hands of Sikh Chief Jai Singh of Kanhaiya Misl
Answer: (B)