मुख्य शाही गुप्त राजवंश का अंतिम मान्यता प्राप्त प्रमुख राजा किसे माना जाता है?

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?