This was the event that pushed southern states toward secession; south carolina declared their intent to secede from the united states within weeks.

it is

a

asked for and recieved from the united states

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)