D. A colder climate Buck has never experienced
This question seems to be incomplete. However, there´s enough information to find the right answer.
Answer:
The potato crop had failed, leaving his family unable to buy what they needed. So Nathu left his village to look for a job. Someone sent him to the limestone depot, where he got hired by Pritam Singh to clean and look after his truck.
Explanation:
In The Last Truck Ride, by Ruskin Bond, we learn that the potato crop in Nathu´s village had failed, leaving his family unable to buy anything they couldn´t grow despite the summer drought, which was only onions and artichokes. So Nathu left his village to look for a job in the town in the valley. Once there, someone sent him to the limestone depot, where, despite not being able to get a job at the quarries, he did get hired by Pritam Singh to clean and look after his truck.
The supply were the hufflepuff trees and the demand were the peoples wanting for the trees