गुजरात में स्थित कौन सा हड़प्पाकालीन स्थल मुख्य रूप से पशुपालकों का एक बड़ा केंद्र माना जाता 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?