निम्नलिखित में से किस मामले में यह निर्णय लिया गया था कि टेलीफोन पर किया गया अनुबंध उस स्थान पर पूरा होता है जहाँ प्रस्तावक द्वारा स्वीकृति सुनी जाती 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?