एक औपचारिक पाठ योजना में, किसी विषय का 'प्रस्तावना' (Introduction) चरण मुख्य रूप से छात्रों के किस पक्ष से संबंधित होता 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?