The Dangerous Proviso That Germany Attached to Its Sussex Pledge

The dangerous proviso that Germany attached to its Sussex pledge not to attack unarmed neutral shipping was the requirement that

A) Americans would have to refrain from sailing on British-owned passenger ships.
B) U-Boats could capture merchant vessels if the submarines surfaced.
C) the Americans would have to guarantee that passenger vessels were not secretly carrying military supplies.
D) the United States would have to persuade the Allies to end their blockade of Germany or submarine warfare would be resumed.
E) Woodrow Wilson would have to seek a fair, negotiated settlement of the war.