In which case did the Supreme Court explicitly state that 'the material resources of the community like ponds, forests and mountains etc. are bounty of nature' and must be protected for quality of life under Article 21?

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?