राम मनोहर लोहिया भारत के किस प्रमुख आंदोलन से जुड़े एक प्रसिद्ध नेता थे?

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?