The emphasis on extreme asceticism and personal effort in achieving liberation, as reflected in the doctrine of attaining salvation through rigorous self-mortification, is most closely associated with which one of the following teachers?

Which movement aimed to promote Khadi, a hand-spun and handwoven cloth native to India?

Who were prominent leaders associated with the initial phase of the Telangana Rebellion (1946-1951) against the Nizam's rule and feudal landlords?

What was the immediate trigger for the Revolt of 1857?