हेपेटाइटिस बी एक वायरल संक्रमण है जो मुख्य रूप से किस अंग में सूजन पैदा करता है, जिसके कारण पीलिया जैसे लक्षण होते हैं?

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?