The Zimmerman Telegram,which Was Intercepted and Decoded by the British

The Zimmerman Telegram,which was intercepted and decoded by the British,

A) contained further orders to increase U-boat attacks against U.S.vessels.
B) expressed German willingness to discuss the peace process with President Wilson.
C) cast doubt on the strength of the German military forces.
D) was an invitation to Mexico to join Germany in the war against the U.S.