Which country intercepted Zimmerman Note?

Zimmerman关于陆生植物叶起源的“顶枝学说"的基本内容是什么?

生物碱类药物的特殊鉴别反应为 A: Vitali反应 B: Marquis反应 C: Thalleioquin反应 D: Frohde反应 E: Zimmerman反应

Which of these is NOT one of the reasons why the U.S. got involved in World War I A: The Zimmerman Telegram B: Unrestricted Submarine Warfare C: The Russian Revolution D: Assassination of Archduke Franz Ferdinand