What was sir walter raleigh known for?
a. he was the first englishman to live in the americas.
b. he compiled the first english dictionary.
c. he designed the ships that defeated the spanish armada.
d. he set up england's first colony in north america.

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)