Final answer:
The 'Big Four' at the Paris Peace Conference were David Lloyd George, Georges Clemenceau, Woodrow Wilson, and Vittorio Orlando.
Step-by-step explanation:
The 'Big Four' at the Paris Peace Conference were the leaders of the four major Allied powers in World War I: David Lloyd George of Britain, Georges Clemenceau of France, Woodrow Wilson of the United States, and Vittorio Orlando of Italy.
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