Respuesta :
D. After the contents of the telegram were published on the front page of American newspapers, the US declared war on Germany.
Answer:
After the contents of the telegram were published on the front page of American newspapers, the US declared war on Germany.
Explanation:
According to the excerpt from "The Dark Game," first the British home secretary, Hall, thought the Zimmermann telegram would make the US join the Allies. As a result, he handed over it to American president Wilson. A week later, the telegram was spread by the media, and a few months after that, the US actually declared war on Germany and joine the Allied forces.