The Americans were outraged when 128 passengers sailing on a British ship called _______________ were killed by a German submarine in 1915.

The armed forces are divided into three Military branches: army, _____________, and ______________ force.

An act known as _______________ was passed in 1914 and it allowed the Government to seize factories and land to produce the huge amount of munitions and weapons that were needed to win the war was passed in 1914.

________________ was used to encourage citizens to make sacrifices and help the war effort. Governments produced posters to support recruitment, promote military production, etc.

A suffragette was a member of an activist women's organisation (WSPU) in the early 20th century who fought for the right to _______________.

The ______________________ is a place where opposing armies face each other in war and where fighting happens.

A ______________________ is someone who refuses to participate in a war because they are morally opposed to all war and violence.

The countries of the Allies included Russia, France, _____________, Italy, United States and Serbia. The countries of the Central Powers included ______________, Austria-Hungary, Turkey and Bulgaria.

The disputed ground between the front lines or trenches of two opposing armies is called _____________________ .

People were only allowed to get certain amounts of sugar, meat, flour, butter and milk due to __________________________.

In 1917, when the Germans announced that their submarines would sink any ship that approached Britain, President Wilson declared that ____________ would enter the war and restore peace to Europe.

____________________ is a formal agreement to stop war and talk about possible peace.

In 1919, The ________________ of Versailles officially ended WW1.