In 1917, Germany, determined to win its war of attrition against the Allies, announced the resumption of unrestricted warfare in war-zone waters. Three days later, the United States broke diplomatic relations with Germany, and just hours after that the American liner Housatonic was sunk by a German U-boat.
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A similar example is the federal government's use of mandates. A mandate is a federal regulation that states must follow. Mandates are another common way that the federal ...
Explanation:
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