प्राचीन भारत में उस विधवा के लिए किस शब्द का प्रयोग होता था, जिसका पुनर्विवाह हो जाता था?

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?