Gallipoli Campaign
Use of Poison Gas (Ypres)
Armenian Genocide
Italy Joins the War (Treaty of London)
Naval Warfare & U-boats
100

In which modern-day country did the Gallipoli Campaign occur?

Turkey

100

Where was poison gas first used on a large scale?

The Second Battle of Ypres.

100

Which empire carried out the Armenian Genocide?

The Ottoman Empire.

100

What year did Italy join the war?

1915

100

What does “U-boat” stand for?

Unterseeboot (German for “undersea boat”).

200

Which two major Allied powers led the campaign?

Britain and France (with ANZAC troops).

200

Which gas was used by the Germans in 1915?

Chlorine gas.

200

Who were the primary victims?

The Armenian Christian minority.

200

Which side did Italy join?

The Allies

200

What was “unrestricted submarine warfare”?

Attacking any ship, military or civilian, without warning.

300

What was the main objective of the campaign?

To gain control of the Dardanelles Strait and supply Russia.

300

What was the purpose of using gas in battle?

To break the stalemate of trench warfare.  

300

What were Armenians accused of by the Ottoman government?

Supporting Russia, the enemy.

300

What motivated Italy to switch sides from the Triple Alliance?

Promises of land and territorial rewards.

300

What major ship was sunk by a U-boat in 1915?

The RMS Lusitania.

400

Why did the campaign fail?

Poor planning, strong Ottoman defense, and difficult terrain.

400

How did soldiers defend themselves later against gas attacks?

By using gas masks and protective gear.

400

What methods were used in the genocide?

Mass killings, forced marches, and deportations.

400

Which secret treaty made Italy’s alliance official?

The Treaty of London (1915).

400

Why did the Lusitania sinking cause international outrage?

It killed civilians, including Americans, and violated neutrality.

500

How did Gallipoli impact the involved nations?

It became a symbol of national pride for Australia/New Zealand and boosted Ottoman morale.

500

Why did the use of poison gas become a turning point in warfare?

It introduced chemical weapons, violating moral boundaries and leading to long-term bans after the war.

500

What were the long-term consequences of the Armenian Genocide?

Massive loss of life, displacement, and a lasting global debate on historical recognition and justice.

500

How did Italy’s decision affect the overall strategy of the Allies?

It opened a new front against Austria-Hungary, dividing Central Power forces and strengthening the Allies’ southern position.

500

How did submarine warfare influence the U.S. entry into WWI?

It created tension and shifted American opinion toward joining the Allies in 1917.