भारत की किस नदी को व्यापक रूप से सबसे पवित्र माना जाता है और हिंदू धर्म में इसका सर्वोच्च आध्यात्मिक महत्व 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?