Open Door Policy - Wikipedia

OPEN DOOR' CARTOON, c1900. /nAmerican cartoon, c1900, depicting Uncle Sam propping the 'Open Door' policy with China with the brick of 'U.S. Army and Navy Prestige,' as the colonial powers of France

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Open Door Policy - Wikipedia

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John Hay's Open Door Policy set the cornerstone of US foreign affairs and promoted free trade and state integrity in China

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