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<p>Perspective.--Social momentum.---The seaman's point of view.--The rivalry of empires.--The freedom of nations.--The freedom of men.--Postscript.--Appendices
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<br>Subjects: League of Nations; Sociology; Geography; World politics; World War, 1914-1918 -- Peace</div>
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Mackinder, Halford John, Sir, 1861-1947</div>
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