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.
<span>it weakened the soviet economy and encouraged mikhail gorbachev to promote reform in teh soviet union </span>
The mafia established more power with organizational crime on the rise
the US is a federal republic and a constitutional representative democracy