Zimmerman note, sinking of the Lusitania, General John J. Pershing, and fourteen points were all associated with A. World War I.
Zimmerman note refers to the secret communication between Germany and Mexico, which was intercepted by Britain. Sinking of the Lusitania refers to the event when Germany sank the British ship Lusitania in 1915. General John J. Pershing was an American commander during the WWI. Fourteen points were formed by President Woodrow Wilson about principles for peace.