Read this sentence from the speech. And, if a beachhead of cooperation may push back the jungle of suspicion, let both sides join in creating a new endeavor -- not a new balance of power, but a new world of law -- where the strong are just, and the weak secure, and the peace preserved.

How does the word choice in this sentence affect the meaning of the speech?

It explains why Kennedy believes that the United States must place national interests before global concerns.

It reinforces Kennedy’s argument that change is possible when nations move beyond their differences to work for the common good.

It supports Kennedy’s assertion that it is necessary to use military force to promote change.

It highlights Kennedy’s belief that the United States should concentrate more on global security than domestic defense.