The purpose of the passage from the transcript of General Dwight D. Eisenhower’s speech “Order of the Day” from 1944 is to inspire the members of the armed forces in their fight against the Nazis.
General Dwight D. Eisenhower's speech to the armed forces preparing to take part in the D-Day landing in Europe in June 1944 is the "Order of the Day" memo that have been cited. Eisenhower's D-Day address was intended to inspire the Allied troops participating in the invasion. The Allies prepare "a cross-Channel assault on the German" occupation army almost shortly after the Nazis conquered France in 1940.
Thus, the correct option is D.
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