World War II was fought between two main coalitions known as the Allies and the Axis powers.
Notes on verification
Well-established historical fact confirmed by multiple authoritative sources including USHMM and Britannica.
Sources
- World War II (en.wikipedia.org)
- https://encyclopedia.ushmm.org/content/en/article/axis-powers-in-world-war-ii (encyclopedia.ushmm.org)
- https://www.nationalww2museum.org/war/articles/allies-world-war-ii (nationalww2museum.org)
- https://www.britannica.com/event/World-War-II (britannica.com)
- https://www.encyclopedia.com/history/educational-magazines/allies-and-axis (encyclopedia.com)
- https://www.ducksters.com/history/world_war_ii/ww2_allied_powers.php (ducksters.com)