Requirements are prioritized to determine which requirements will be included and excluded from the project. Rationale/Purpose Defining requirements specifies the capabilities, features or attributes of the projectâs deliverables.
On January 31, 1917, Germany, determined to win its war of attrition against the Allies, announced it would resume unrestricted warfare in war-zone waters. Three days later, the United States broke diplomatic relations with Germany, and just hours after that the American ship Housatonic was sunk by a German U-boat.
When talking about the German Kriegsmarine in World War II, the German U-Boats are often the first thing that comes into mind. At the outbreak of the war of the war, Germany had 57 U-Boats, most of them not capable of operations in the Atlantic.