निम्नलिखित में से किसने यह विचार दिया था कि 'पारंपरिक सेना हार जाती है यदि वह जीतती नहीं है। गुरिल्ला जीत जाता है यदि वह हारता नहीं 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?