Causes of WWI
Life in the Trenches
Weapons & Technology
Home Front & Propaganda
Key Battles and Peace
100

This acronym stands for the four long-term causes of WWI.

M.A.I.N.

100

Soldiers who fought in trenches developed this condition as a result of the wet and muddy ground.

Trench foot

100

The German U-Boat was a type of underwater ship, known as a:

Submarine

100

The Canadian government introduced this in 1917 to raise money for the war effort.

Victory bonds

100

This was the first major battle where Canadians faced poison gas.

The Second Battle of Ypres

200

The “M” in MAIN refers to this arms buildup and belief that a strong military was necessary for national success.

Militarism

200

This term describes the area between opposing trenches, filled with barbed wire, dead bodies, and shell holes.

No Man's Land

200

These armored vehicles were first used in 1916 to cross trenches and barbed wire.

Tanks

200

Posters that encouraged enlistment and patriotism were examples of this.

Propaganda

200

The Treaty of Versailles placed full blame for the war on this country and imposed harsh reparations.

Germany

300

The assassination of this person in Bosnia on June 28, 1914, triggered the July Crisis.

Archduke Franz Ferdinand

300

These two poisonous gases were used in chemical warfare and caused many side effects, including skin and eye damage, and suffocation.

Chlorine gas and mustard gas

300

This invention allowed Allies to scope out German positions and plan Strategies against the German defenses

Airplanes

300

The 1917 Military Service Act introduced this controversial policy.

Conscription

300

This 1917 victory is seen as a defining moment for Canadian national identity. A Canadian monument was constructed at the site

The Battle of Vimy Ridge

400

This major alliance formed in response to the Triple Alliance and included Britain, France, and Russia. It helped divide Europe into two rival power blocs before the war began.

Triple Entente

400

This deadly psychological condition, caused by constant bombardment and fear, left many soldiers unable to return to combat.

Shell shock (PTSD)

400

This type of large, long-range gun caused massive destruction and shell shock.

Artillery

400

This organization, created in 1917, helped coordinate Canada’s war effort on the home front.

The War Measures Act

400

This muddy 1917 battle saw thousands of Canadians die for a few meters of ground.

The Battle of Passchendaele

500

The feeling of being drawn to fight for one's homeland.

Nationalism

500

This unofficial 1914 event saw soldiers from opposing British and German sides briefly emerge from their trenches to exchange gifts, sing carols, and play soccer in No Man’s Land.

The Christmas Truce

500

This theory stressed the national elements of sea power as the precursor to national greatness. 

The Mahan Thesis

500

These two Canadian women were at the forefront of the movement for women's voting rights in Canada, leading to a federal vote for women in 1917 under the Wartime Elections Act

Nellie McClung and Emily Murphy

500

This 1916 battle became infamous for its high casualties and minimal land gained.

The Battle of the Somme