Read the following excerpt from a speech by president harry s. truman following the allied victory in world war ii: from our war plants rolled the tanks and planes which blasted their way to the heart of our enemies; from our shipyards sprang the ships which bridged all the oceans of the world for our weapons and supplies; from our farms came the food and fiber for our armies and navies and for our allies in all the corners of the earth. what is truman's most likely purpose in this excerpt? a. to celebrate the work of ordinary americans b. to express relief at the end of a violent conflict c. to explain how the war was won by the allies d. to persuade his audience that his cause is worthwhile