Kennedy's message in the excerpt focuses on the United States being prepared to protect freedom in the face of common enemies.
The best explanation of Kennedy's message in the excerpt is that the United States is prepared to protect freedom. Kennedy's inaugural address emphasizes the need to bear the burden of struggles against common enemies such as tyranny, poverty, disease, and war. He calls for a global alliance to ensure a better life for all mankind, highlighting the commitment to defending freedom in times of danger.
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