I think it is B. The south was based on agriculture.
The correct answer is "High cost of living".
It simply makes no sense that a person would choose to migrate towards a country where the cost of living is high. Usually the motivation to relocate is precisely the opposite: the living conditions, employment opportunities and wages don't match the cost of living in a certain region and that prompts migration.
Hope this helps!
Answer:
The Chinese who came to America in the late nineteenth century were mainly poor peasants and workers who had to struggle to survive in the destitute circumstances of their times.
Credits to: Oakton.edu
What do you need help with?