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3.)3. Foreshadowing hints to readers that something is of significance and gets them interested.
4. Exposition helps readers understand the background of the story
This is also known as the "We Shall Fight on the Beaches" speech that Churchill gave during the Battle of France (which of course, the French would lose to the Nazis, who marched into Paris on June 14, 1940). Churchill was attempting to rally support from the British politicians and the people, since England too was at war with Germany. Great Britain was, in fact, on its own, since the United States would not enter the war until Japan attacked Pearl Harbor a year later.
