Answer :
Final answer:
Roosevelt used rhetorical devices to emphasize the surprise and severity of the attacks, aiming to mobilize the nation.
Explanation:
Roosevelt's rhetoric in his speech emphasized the unexpected nature of various attacks by using the phrase 'without warning' repeatedly. This repetition served to underscore the surprise element of these events and evoke a sense of urgency in the listeners.
Moreover, the use of 'attacked' and 'invaded' by Roosevelt helped to highlight the gravity of these actions and magnify their impact, rather than merely stating the occurrences in a neutral manner.
Overall, Roosevelt's speech employed rhetorical devices like repetition and strong language choices to convey the severity and suddenness of the attacks, aiming to mobilize the nation in response to these threats.
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