Final answer:
President Johnson's address uses rhetorical appeals like pathos by inspiring patriotic pride and historical continuity, engaging the graduates' sense of responsibility to build a 'Great Society.'
Step-by-step explanation:
In President Lyndon B. Johnson's 1964 graduation address at the University of Michigan, he employed various rhetorical appeals such as pathos, to outline his vision for a 'Great Society.' By referencing the nation's past achievements and the opportunity to use wealth to improve American civilization, Johnson inspires a sense of patriotic pride and historical continuity. The appeal to the graduates’ imagination and initiative seeks to engage their sense of responsibility and agency in building this new society. He articulates the possibility of moving beyond just wealth and power to achieving a society of greater equality and justice. To convey his purpose, Johnson invokes the ideals of liberty, prosperity, and the pursuit of happiness—a reference to established American values that resonate with the ethos of his audience.