Question

Which order of events correctly describes changes in Germany's policy of unrestricted submarine warfare?
Answer Choices:
unrestricted submarine warfare, American ultimatum, moratorium, cancellation of the Sussex Pledge

unrestricted submarine warfare, cancellation of the Sussex Pledge, American declaration of war, moratorium

unrestricted submarine warfare, moratorium, American ultimatum, Sussex Pledge

unrestricted submarine warfare, Sussex Pledge, American declaration of war, cancellation of the Sussex Pledge

Answer 1

unrestricted submarine warfare, American ultimatum, moratorium, cancellation of the Sussex Pledge