Which Nobel laureate poet wrote the famous lines: 'Tonight I can write the saddest lines. / Write, for example, "The night is shattered and the blue stars shiver in the distance." / The night wind revolves in the sky and sings.'?

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?