A color map of Germany before and during the war from a French postcard, including the German states, views of the Reichstag in Berlin and the Rhine. Alsace and Lorraine are in the southwest.
Allemagne, Duitschland, Mer du Nord, Mer Baltique, Russie, Hongrie, Autriche, Suisse, France, Belgique, Pays Bas
"On February 1 [1917], defending the U-boat decision before the Reichstag, [Zimmermann] urged all the reasons—the Western states, the anti-war feeling, the menace of Japan—why the United States would not go to war. . . .In London expectancy was equally tense; in Washington it was highest of all. The long-awaited challenge, fended off so often, had suddenly been flung in America's face. Freedom of the seas, commented one American paper, would henceforth be enjoyed 'by icebergs and fish.'"
Germany resumed unrestricted submarine warfare on February 1, 1917, having delivered notice to American Secretary of State Robert Lansing at 4:00 p.m. the previous day. The policy was opposed by German Chancellor Bethmann-Hollweg who argued that it would bring the United States into the war. Alfred Zimmerman was Germany's Secretary of Foreign Affairs. The western states backed American president Woodrow Wilson in his successful bid for re-election, in part because 'he kept us out of war.' Zimmerman had authored 'the Zimmerman Telegram' in January, inviting Mexico to ally with Germany and Japan, then allied with the Entente powers, against the United States. Mexico's lost territories in Texas, Arizona, and New Mexico were to be its reward.
The Zimmermann Telegram by Barbara W. Tuchman, page 145, copyright © 1958, 1966 by Barbara W. Tuchman, publisher: Ballantine Books, publication date: 1979
unrestricted submarine warfare, submarine warfare, submarine, Zimmerman, 1917-02-01, 1917
