If children work in factories, they miss out on education. So by banning child labor, more children can go to school.
Using renewable resources is better than using unrenewable resources (hope this helps)
The correct answer is letter B. The country's official policy emphasizes "gross national happiness." The following are not true about Nepal which includes "up until 2006, Maoist guerillas caused major disruptions in urban areas," "it became a democracy in the 1980s," and it's a Muslim country that has fostered good relations with the British.