Countries that did not support either superpower during the cold war, were called
a. neutral countries.
b. second world countries.
c. nonaligned countries.
d. observer countries.

Countries that didn't support either superpower during the Cold War were called neutral countries - a.

Neutral countries are always countries which aren't directly involved in a conflict and have their own desires, goals, etc. They don't intervene in the relationship between other countries which might affect how they function.