Kennedy most likely uses the clause "beachhead of cooperation may push back the jungle of suspicion," to convey the following idea. *D IS WRONG*
A. Peace will be preserved by pushing back against enemies.
B. Cooperation is the first step in lessening misunderstanding between adversarial nations.
C. Troops that land on the beach will overcome enemies hiding in the jungle.
D. Suspicion is likely to choke the efforts of any cooperation.