दिए गए वाक्य में रेखांकित खंड को प्रतिस्थापित करने वाले सबसे उपयुक्त विकल्प का चयन करें। यदि इसे प्रतिस्थापित करने की आवश्यकता नहीं है, तो 'No substitution required' चुनें। There is an old rivalry between the three families for ages.

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?