Up as usual. Busy all day. Billy Truman received orders to go on leave and cleared off after dinner. I took over his tent for a short time and then Harvey came up to it.
Heard of the Germans’ submarine scheme1 and war demands of America.
Germany had resumed unrestricted submarine warfare on 1st February. Unrestricted submarine warfare had previously been Germany’s policy, but this policy had been quietly discontinued in late 1915 following the aftermath of the sinking of the Lusitania. ↩