[DOC] [TLE] Chemical weapons in World War I - Wikipedia [PAR] Chemical weapons were first used in World War I. They were primarily used to 
demoralize, .... Chlorine was less effective as a weapon than the Germans had 
hoped, particularly as soon as simple countermeasures were introduced. The 
gas ... The response was enormous and a million gas masks were produced in a 
day. [DOC] [TLE] The use of Gas Warfare in World War One - WWVets.com [PAR] The first use of gas warfare by the Germans was January 3, 1915 and was ... The 
Germans were surprised by the success of their attack, and unprepared to take ... 
World War Gas Poisoning ... No mask could protect a soldier from mustard gas. ... 
By 1918 the use of gas warfare was widespread but effective measures used to... [DOC] [TLE] First World War.com - Weapons of War: Poison Gas [PAR] In the first month of the war, August 1914, they fired tear-gas grenades (xylyl 
bromide) against ... The cloud did not mask an infantry attack however; at least, 
not yet. ... The effects of chlorine gas were severe. .... In large part this was 
because of the increasing effectiveness of the methods used to protect against 
poison gas. [DOC] [TLE] Weapons on Land - Poison Gas | Canada and the First World War [PAR] The first large-scale use of lethal poison gas on the battlefield was by the ... of 
increasingly effective gas masks and other precautions helped counter the ... 
Deadlier gasses and more reliable delivery systems were introduced later in the 
war. [DOC] [TLE] World War I and the Legacy of Chemical Weapons | Stratfor [PAR] Apr 22, 2015 ... One hundred years after the Germans first used chlorine gas during the ... They 
were comparatively easy to counter, difficult to use and rarely ... surprised by the 
effectiveness of the gas, they were unprepared to exploit the situation. ... Gas 
masks were rapidly developed and delivered to soldiers on the front... [DOC] [TLE] Chemical weapons - World War I - Alpha History [PAR] The French used tear gas in grenades in the first month of the war, the Germans 
... soon developed strategies and counter-measures to deal with chlorine attacks. 
Gas masks containing chemically-impregnated cotton filters were effective at... [DOC] [TLE] Chemical Warfare and Medical Response During World War I - NCBI [PAR] Understanding the origins of chemical warfare during World War I and its .... 
scientists at the Kaiser Wilhelm Institute had developed an effective chlorine gas 
weapon. ... to gas masks or the training to make sure the masks were used 
properly. [DOC] [TLE] war and social upheaval: World War I poison gas - Post-war Years [PAR] Nov 7, 2003 ... The Germans first used poison gas at Ypres (April 1915) with devestating effect. 
... counter measures and were unable to reply with gas weapons of their own. .... 
The British had had 2 years to design an effective mask. [DOC] [TLE] Poison gas in World War I [PAR] During the first World War, the French were the first to employ gas, using 26 mm 
... In what became the Second Battle of Ypres, the Germans used gas on three 
more ... effective poison gases and the production of effective counter-measures, 
.... as a joke that if someone yelled 'Gas', everyone in France would put on a 
mask. [DOC] [TLE] Use Of Poison Gas During World War One - Canada at War Forums [PAR] Poison gas (chlorine) was used for the first time at the Second Battle of Ypres ... 
Soldiers also used make-shift gas masks if they were caught in the open .... and 
little more by the time effective counter-measures were devised. [DOC] [TLE] 100 years on: The day the first poison gas attack changed the face of ... [PAR] Apr 22, 2015 ... On 22 April 1915, less than nine months into the First World War, the ... The first 
German gas attack used almost 6,000 canisters (Hulton/Getty) ... be an effective 
offensive strategy in the theatre of war, this plane shoots at an ..... As gas masks 
were distributed, which largely negated the effects of

Question: Gas masks were first used in this war to counter the effectiveness of poison gas
Answer: World War I