Final answer:
During the Cold War, Third World nations were economically underdeveloped countries that were not aligned with the United States or the Soviet Union. They cooperated with each other and received assistance from both superpowers.
Step-by-step explanation:
The Third World nations, during the Cold War, referred to economically underdeveloped nations that were not aligned with either the United States or the Soviet Union. These nations were called the Third World because they were considered the poorest and most undeveloped countries. Examples of Third World nations included most of sub-Saharan Africa, Latin America, and Asia. While they were not aligned with the superpowers, Third World nations often cooperated with one another and received assistance from both the United States and the Soviet Union in the form of economic aid, military assistance, and technology.