निम्नलिखित में से कौन सा उपयोगिता सॉफ्टवेयर पारंपरिक रूप से एक मानक ऑफिस प्रोडक्टिविटी सुइट (Office Productivity Suite) का मुख्य अनुप्रयोग नहीं 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?