Quick i need an answer ! "we shall fight on the beaches"

beyond the loss of over 30,000 men, what other significant loss had britain suffered at the time when the speech was given?

The correct answer to this open question is the following

Beyond the loss of over 30,000 men, the other significant loss had Britain suffered at the time when the speech was given had been the military loss in France and Belgium. Great Britain had decided to send troops to Belgium to defend this country against the invasion of Germany. However, King Leopold of Belgium surrendered to Hitler's soldiers and thousands of soldiers stayed stranded in the beaches of Dunkirk, France. Winston Churchill delivered the speech "We Shall Fight on the Beaches" on June 4, 1940, before the British Parliament.

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