What will win in the end, according to Roosevelt?

In this speech given in January, 1941, before the United States had entered World War II, Roosevelt first seeks to oppose the idea that the country must be committed to isolationism, stating:

What I seek to convey is the historic truth that the United States as a nation has at all times maintained clear, definite opposition, to any attempt to lock us in behind an ancient Chinese wall while the procession of civilization went past.

Explanation:

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