As for the president himself, he declared that
We come to this ground to recall the evil these Americans fought against … we come to this ground to remember the cause for which these soldiers fought and triumphed. At the outset of the war, there were those who believed that democracy was too soft to survive, especially against a Nazi Germany, that boasted the most professional, well-equipped and highly-trained military forces in the world.
Yet, this military would be brought down by a coalition of armies from our democratic allies and freedom fighters from occupied lands and underground resistance leaders. They fought side-by-side with American GIs, who, only months before, had been farmers and bank clerks and factory hands. And the world's tyrants learned a lesson: There is no power like the power of freedom, and no soldier as strong as a soldier who fights for that freedom.