Answer:
winston churchill after the dunkirk evacuation
Step-by-step explanation:
Winston Churchill delivered these lines in his speech after the dunkirk evacuation which was decisive in WWII, Dunkirk is a beach in north France where the Allies troops were trapped, with the help of civilian boats and the english navy they managed to evacuate and bring back to England the majority of the troops. Churchill knew that thye´d fought till the end to defeat Hitler, and that leaving those troops alive was a mistake for Hitler.