हम सभी अपनी बुद्धि, अभिप्रेरणा, रुचि आदि के मामले में भिन्न होते हैं। यह सिद्धांत संदर्भित करता 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?