What does Kennedy want the opposing side in that conflict consider?

After World War II, the United States and its allies, and the Soviet Union and its satellite states began a decades-long struggle for supremacy known as the Cold War. Soldiers of the Soviet Union and the United States did not do battle directly during the Cold War. But the two superpowers continually antagonized each other through political maneuvering, military coalitions, espionage, propaganda, arms buildups, economic aid, and proxy wars between other nations.

Explanation:

what is the question you are trying to ask here

c. "but thy eternal summer shall not fade" (line 9)