This document asks for the recipient's help in securing an alliance with Japan to form an untenable triple front against their common enemy.
This document asks for the recipient's help in securing an alliance with Japan to form an untenable triple front against their common enemy. While the document gives an effective date of February 1st, it was not until March 1st that it was released to the general public, after which a declaration of war followed almost immediately. For ten points, identify this document sent in code by its namesake, the German ambassador to the United States, which advocated a Germanic-Mexican Alliance and did much to raise American popular ire against Germany during World War I.
This document asks for the recipient's help in securing an alliance with Japan to form an untenable triple front against their common enemy.
{Zimmermann telegram} (or {Zimmermann dispatch} or {Zimmermann communique}; accept other clear knowledge equivalents)