By raising questions about the nature of the human mind, contributed to uncertainty in the late 1800s and early 1900s.

location is the answer to this

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)