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Blockades and American entry
Naval blockades in World War I to starve enemy nation of trade. Contrary to what many think, American entry into WWI was not due purely to the sinking of the Lusitania. Learn more about what caused the United States to play its first major direct role in a European conflict.
This lesson is part of the members-only content of World history. The first 3 lessons of every course are free — this one starts after the free preview.
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