Akey source of wealth is gold human labor internal revenue natural resources

Its B. Human Labor. I just took the quiz

interdependence is when all participating groups and individuals depend on each other. if you depend on one anothers goods, you end up trading in order to get the items you're looking for. (for ex: if i have food and you have water, we trade in order to depend on each other to live)

answer; i believe that the correct answer is,lies(political rhetoric);