Why was the evacuation at Dunkirk a turning point for World War 2?

The evacuation at Dunkirk in May-June 1940 was a crucial turning point in World War II as it allowed the British Expeditionary Force and countless French troops to escape imminent capture by German forces. Despite being a retreat, the successful evacuation boosted Allied morale and demonstrated resilience in the face of adversity. It also enabled Britain to regroup, reinforce, and continue fighting against Nazi Germany, ultimately contributing to the eventual Allied victory. The event became a symbol of determination and unity, galvanizing support for the war effort.