निम्नलिखित में से कौन सी सड़क श्रेणी मुख्य रूप से राज्य की राजधानी को जिला मुख्यालयों से जोड़ने का कार्य करती 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?