I believe your answer would be A- Farmers and urban dwellers.
Hope this helps. Correct me if I'm wrong.
The answer is Greenland, there was a story were lot's of people lived on Iceland but Iceland was all green, this person found Greenland but it was covered in ice, he called it Greenland to make people come there.
Many of the agricultural workers in central Asia's cotton fields are children. The correct option among all the options that are given in the question is the second option or option "b". These fields favored child labor which is crime in the modern world. I hope the answer comes to your help.
The path of totality, where the Moon will completely cover the Sun and the Sun's atmosphere (corona) can be seen.