Identify and explain the significance of each item below.

Triple Alliance (p. 825)

Triple Entente (p. 826)

Schlieffen Plan (p. 829)

total war (p. 830)

trench warfare (p. 830)

February Revolution (p. 842)

Petrograd Soviet (p. 843)

Bolsheviks (p. 844)

Treaty of Brest-Litovsk (p. 845)

War Communism (p. 848)

Treaty of Versailles (p. 851)

Fourteen Points (p. 851)

League of Nations (p. 851)

national self-determination (p. 851)

war guilt clause (p. 852)

mandate system (p. 853)

Balfour Declaration (p. 853)