The video contrasts the commercial value of long-range submarine voyages with the political damage caused by attacks conducted near the American coast. Deutschland could carry low-volume, high-value resources that helped the German war effort. U-53, however, sank Allied merchant shipping in international waters within sight of American warships. The discussion also recalls William Jennings Bryan's resignation over the Wilson administration's third Lusitania note, evidence that American neutrality did not mean indifference to submarine warfare.
Notable Point · 30:47-33:15
Submarine operations were already testing American neutrality
Deutschland's cargo voyages, U-53's attacks near the American coast, and the Lusitania notes showed both the value and diplomatic danger of long-range submarine operations.