The shogun empire was located at 5
The british gave president wilson the zimmerman telegram on feb 24th and on march 1st the i.s. press reported on its existence.
In February 1915, Germany announced unrestricted warfare against all ships, neutral or otherwise, that entered the war zone around Britain. One month later, Germany announced that a German cruiser had sunk the William P. Frye, a private American vessel that was transporting grain to England when it disappeared.