Recent guest worker programs have involved temporary migration from ?

Question

a. rich countries to other rich countries.

b. poor countries to other poor countries.

c. rich countries to poor countries.

d. poor countries to richer countries.

Answer 1

d. poor countries to richer countries.

There are usually more opportunities for wealth to be earned in richer countries.  Plus, the cost of living is usually lower, so people from poorer countries only have to work a couple years to save enough money to live comfortably in their home countries.