Why is World War 2 known as a global conflict?

World War II is known as a global conflict because it involved multiple countries across various continents, including Europe, Asia, Africa, and the Pacific. Major powers such as the Allies and the Axis fought in numerous theaters of war, leading to widespread military engagements and significant battles around the world. The war not only impacted nations directly involved in combat but also influenced global politics, economies, and societies, making it a pivotal event in world history. Additionally, the conflict's outcomes reshaped international relations and established new global power dynamics.