[DOC] [TLE] Trench warfare - Wikipedia [PAR] Trench warfare is a type of land warfare using occupied fighting lines consisting 
largely of .... After the buildup of forces in 1915, the Western Front became a 
stalemated .... The guidelines for British trench construction stated that it would 
take 450 men ..... The heavy machine gun was a specialist weapon, and in a 
static trench... [DOC] [TLE] Tanks in World War I - Wikipedia [PAR] The development of tanks in World War I was a response to the stalemate that 
trench warfare ... Along with the tank, the first self-propelled gun (the British Gun 
Carrier Mk I) .... He created the Landships Committee in February 1915, initially to 
.... but when they were working they could cross trenches or craters of 9 feet (2.7 
m)... [DOC] [TLE] Weapons of World War One - The British Library [PAR] Chief among them was quick-firing artillery, which could deluge soldiers with 
hails ... Old weapons were revived or re-invented to wage trench warfare 
effectively. ... Indian infantrymen training for receiving a gas attack, 1915. ... And 
when mobile warfare returned it brought with it casualties that rivalled the 
slaughter of 1914. [DOC] [TLE] First World War.com - Weapons of War: Trench Mortars [PAR] As with the grenade the mortar was yet another old weapon which found a ... of 
the mortar was that it could be fired from the (relative) safety of the trench, ... 
Furthermore, it was notably lighter and more mobile than other, larger artillery 
pieces. ... In late 1915 the British succeeded in hastening production of their first 
mortar. [DOC] [TLE] World War I Tanks - The Ultimate History Project [PAR] The first armored tanks were invented by the British in World War I. With their ... 
One was the Landships Committee, called into being in late 1915 by the then 
First ... It would thus be able to cross mud and trenches, where wheeled armored 
cars ... or eight-wheeled vehicles, tracked conveyances are more mobile on a 
broken,... [DOC] [TLE] Eight WW1 weapons invented in the heat of battle - Telegraph [PAR] Apr 4, 2014 ... Barbed wire, invented in the US in the 1860s to pen cattle, was one of the 
foremost features of trench warfare, defending the front lines of ... to hold the wire 
attracted enemy attention, so the British developed a ''silent picquet'' ... in the 
orchestra of war introduced by the Germans in the Ypres salient in 1915. [DOC] [TLE] The Tank Corps of 1914-1918 - The Long, Long Trail [PAR] It was not until January 1915 when Winston Churchill, then the First Lord of the ... 
V* was also produced, better able to cross wide trenches without needing a 
fascine. ... Insufficient mobile reserves could get through in time to exploit the 
tanks ... attacked in March 1918, British tanks were little used as a defensive 
weapon, but... [DOC] [TLE] World War 1 Tanks - History of American Wars [PAR] Troops could rise out of their trenches and follow behind the metal giants that 
would ... armoured vehicle as an assault weapon, a mobile artillery platform, and 
not only ... By 1915, a year into the war and the forces of both sides were so static 
that ... The advantages of the Holt tractor would be incorporated in all British Mark
... [DOC] [TLE] Battles of the Western Front 1914-1918 - The GreatWar 1914-1918 [PAR] Creation of The Western Front; Map: The Battles and their Locations; 1914 First ... 
years of attrition warfare in 1915, 1916 and 1917, with only a few months of 
mobile ... The British Expeditionary Force, fighting on the battlefields in Belgium 
and .... The German Sixth Army was aiming to capture the city, a prize which 
would be... [DOC] [TLE] Battle of Vimy Ridge - Historical Sheets - The First World War ... [PAR] Mar 3, 2015 ... This bloody four-year war would see Britain (and her Empire), France and ... This 
is what soldiers had to cross when they went over the top of the trenches and 
launched an attack. ... Previous Allied

Question: In 1915, the British created this mobile weapon that could cross trenches
Answer: the tank