Which theory suggests that population growth eventually slows down due to rising costs of raising children and higher opportunity costs as incomes rise, rather than due to resource scarcity?

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?