उन सबसे प्राचीन भारतीय ग्रंथों को सामूहिक रूप से क्या नाम दिया गया है जो मूल रूप से धार्मिक भजनों और मंत्रों के रूप में रचे गए 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?