• Centralization of governments:
  Mass conscription (military draft)
• Economic controls:
  Price/wage/rent controls; food/material rationing;
  Import/export regulation; transportation/industry takeovers
• Propaganda: fight low civilian morale/villify enemy
• Societal impact: Women's roles/rights

New Front: Ottoman Empire

• (1915) Britain attempted to open Balkan front
  Battle of Gallipoli: troops from Australia/New Zealand
• Armenian genocide inside Turkey
• Lawrence of Arabia incited rebellion against Turks in Middle East
• Britain defeated remainder of Ottoman Empire in Middle East

• German blockade of Britain: unrestricted sub warfare (USW)
• Lusitania sunk by U-Boats (USW suspended)
• Germany returned to USW to starve Britain
• (April 1917) U.S. entered World War I & Russian withdrawal