As the push factor re those that make the place of the original a type of problematic and the place of the destination as a suitable pace of the growth and development the opportunities and the industrial jobs or the place of development and growth are those that are related to the emerging of the migrants and thus will be a pull factor for the , masses and hence will continue to attract the people from far off.
The answer is C because, industrial jobs provides migrants a greater chance of providing life for their family or themselves. They're able to make more money than they would while farming, a large profit not easily accessible.
