निम्नलिखित विचारकों में से किसने यह प्रसिद्ध तर्क दिया था कि 'सत्ता दमनकारी है' ('Power is repressive')?

The 'Drain of Wealth' theory was propounded by which Indian nationalist leader?

Which event is considered the turning point in Mahatma Gandhi's leadership in the Indian independence movement?

Which African leader is known for his non-violent opposition to colonial rule?