When third world countries term first used:

🧠 Explanation:

The term “Third World” was first used during the Cold War era to describe nations not aligned with NATO or the Soviet bloc. It denoted developing countries, often in Asia, Africa, or Latin America, focusing on their economic and political status. Understanding its origin is key to studying global history, as it shaped international relations and development policies. The term’s use highlights post-colonial challenges, influencing aid and diplomacy. Though less common now, it remains relevant in analyzing historical geopolitics and economic disparities, impacting modern discussions on global development and cooperation.