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By: Aaron Gee, Eric Lee, and James Watanabe

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1 By: Aaron Gee, Eric Lee, and James Watanabe
World War 1 Project By: Aaron Gee, Eric Lee, and James Watanabe

2 Tank History First used at Battle of Flers
September 15-22, 1916 First major success was at Battle of Cambrai November 20 – December 6, 1917 First tank battle at Second battle of Villers-Bretonneux April 24-27, 1918

3 Different types Little Willie / Mark I Mark V Renault FT17 A7V
Little Willie / Mark I First British Tank Mark V British Tank Renault FT17 French tank A7V German Tank

4 Impact Brought an end to trench warfare
Thousands of tanks made contribution to British and French war effort Still used today

5 How Machine Guns Operate
Two types of how machine guns received energy Recoil system Bolt locks to barrel Stays together moving forward and back creating energy Gas System Pressure of exploding gas drives piston Piston fires back a bolt to back of gun which provides energy Both systems had cycles repeat over and over again to fire bullets continuously

6 Before and During Before World War 1 During World War 1
Two armies charging at each other in an open field with mostly single fire muskets Stabbed at each other with bayonets Lots of land gained at end of war During World War 1 Machine guns kill thousands of men in an open field Caused enemies to build trenches in order to protect themselves from machine gun fire Gained little land since both armies were stuck in trenches and became very hard to advance

7 How the Machine Gun Helped
Led to invention of tanks and gas warfare Made stalemates in trenches so people had to think of new ways of killing each other Created an anti-aircraft weapon for ships and land bases Created a weapon on airplanes instead of bombs Were much more effective in killing masses of platoons or battalions than single firing guns

8 Machine Guns German machine crew in trench
Aircraft fitted with quick-firing machine gun British machine gunners wearing gas masks A Browning machine gun and rifle

9 Gas Attack on the Western Front
Types of Poisonous Gas Mustard Gas (C6H8CI2S): Blistering agent Caused skin to blister away, temporary blindness, uncontrollable watering of the eyes, and vomiting Chlorine/Phosgene Gas: Chocking agent Burns or seriously damages respiratory system of whoever inhaled it Blood Agents: Interfered with the level of oxygen in the blood of the victim Lessened oxygen levels killing victim of oxygen loss VX (C11H26NO2PS): Nerve Agent Killed through loss of consciousness, impairment of normal breathing, and suffocating Gas Attack on the Western Front

10 Types of Protection Against Poisonous Gas
Masks and Helmets were used by all even horses British Hypo Helmet Earliest protection used Had some protection with eye pieces Weak but broke easily Small Box Respirator Invented after and worked better than the Hypo Helmet Protected whole face, eyes, and hands Anti-Gas Chemicals All masked were dipped in these chemicals Consisted of sodium hyposulphite, washing soda, glycerin, and water What to do without a mask? All soldiers carried two masks (in case one was defective) If without a mask, soldiers were instructed to place a urine filled cloth all over their face

11 How was Poisonous Gas Created and Used?
By scientists in labs by combining different chemicals with each other at different temperatures Germans were the first to create poisonous gas Used Tear-Gas shells were fired in artillery pieces or released from canisters in the front line Releasing gas after explosions were not effective The explosion dispersed the gas too much making it not potent enough to do any damage Not until the Battle of Verdun in 1916 did the explosive to gas ratio was perfected A makeshift German gas laboratory near the front

12 Effects of Poisonous Gas
1,200,000 people were gassed in World War 1 91,200 of which died Forced enemy to invent protection against the gases Caused enemy to not properly follow orders Not used in World War 2 Use of poisonous gas was banned by Germany in 1925 3.25% 96.75% 12

13 Slides Tanks: Aaron Gee Machine Guns: Eric Lee
Poisonous Gas: James Watanabe

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