What is strange about Seahaven at the beginning of the film? What makes Seahaven strange or surreal?

When referring to the Fiji Islands, Truman says “You can't get any further away before you start coming back. You know that there are still islands there where no human being has ever set foot.” This shows a desire in Truman for something more that his ordinary day-to-day life.

Explanation:

The peace treaties solved complaints of Britain and France who wanted peace with victory, they were rewarded by the heavy reparations that were placed on Germany.
19, 1919, the Senate rejected the Treaty of Versailles based primarily on objections to the League of Nations. The U.S. would never ratify the treaty or join the League of Nations. Why did the peace settlements of 1919-1920 fail to secure lasting peace? Disenchantment of France, Italy, Bolshevik Russia and the defeated powers; implications of the USA's failure to ratify the settlement. Paris Peace Treaties failed to create a secure, peaceful and lasting world order. In mid-January 1919, amid revolutionary chaos in much of east-central Europe and a fierce civil war in Russia, the Paris Peace Conference convened to decide on the future international order