Final answer:
D-Day was a crucial turning point in World War II that helped the Allies win the war against Nazi Germany.
Step-by-step explanation:
D-Day was a significant event in World War II for the Allies because it marked the beginning of the end for Nazi Germany. It was the largest amphibious invasion in history, with Allied forces landing on the beaches of Normandy on June 6, 1944. The success of D-Day allowed the Allies to gain a foothold in France and eventually push back and defeat the German forces.
Learn more about Significance of D-Day to winning the war