Question: What is the name of the lead role in the 1918 serial film that depicts the interception of the secret diplomatic communication issued from the German Foreign Office to Mexico?
Sentence (from "Zimmermann Telegram"): Revelation of the contents enraged American public opinion, especially after the German Foreign Secretary Arthur Zimmermann publicly admitted the telegram was genuine on March 3, and helped generate support for the United States declaration of war on Germany in April.
Relevant evidence: No