पारिस्थितिकी तंत्र में एक 'खाद्य श्रृंखला' मुख्य रूप से किसे दर्शाती है?

Mahatma Gandhi's last fast unto death in 1948 was primarily against which of the following?

What was the primary meaning of 'Swaraj' as popularized by Mahatma Gandhi during India's independence movement?

What was one major impact of India’s independence on its economy?