contestada

Predict which relationship would be the best between nations.

A.
Nation 1 trades only surplus resources, while nation 2 trades none.
B.
Nations 1 and 2 communicate needs and trade according to their ability.
C.
Nation 1 trades only one resource with nation 2, while nation 2 trades several with nation 1.
D.
Neither nation trades; both keep all resources to themselves.