Presentation on theme: "12/16 Focus: Important Terms: Do Now:"— Presentation transcript:
1 12/16 Focus: Important Terms: Do Now: Advances in weaponry, from improvements to the machine gun and airplane, to the invention of the tank and the use of poison gas, led WWI to be an enormously destructive war between industrialized nations .Important Terms:Trench Warfare, Stalemate, AttritionDo Now:What were the four primary causes of WWI?
3 The Balkan Powder KegSerbian nationalists wanted to unite Serbs in the BalkansCreate a Slavic stateAustria-Hungary opposed this effortAustria- Hungary annexed Bosnia-HerzegovinaLarge number of SerbsAngered Serbian nationalists
4 Boom The Spark Militarism Alliances Imperialism Nationalism June, 28, 1914: Serbian nationalist, Gavrilo Princip, Assassinates Archduke Franz Ferdinand of Austria Hungary in SarajevoBoomThe Powder Keg
8 THE ALLIANCE SYSTEM TRIGGERED ?Great Britain declares war on GermanyGermany declares war on Russia?Russia mobilizes army to the border with A-HGermany declares war on FranceAustria-Hungary declares war on Serbia
9 Outbreak of WarAustria-Hungary blames Serbia for death of Archduke and makes harsh demandsSerbia refused to comply with demandsAustria-Hungary declares war on Serbia (July )Russia moves troops to border with Austria and GermanyGermany declares war on RussiaGermany declares war on FranceGermany invades Belgium as part of plan to invade France (August 3, 1914)Great Britain declares war on Germany
11 The Central PowersThe Allied PowersGermanyRussiaGreat BritainAustria HungaryFranceOttoman EmpireUnited StatesU.S. joined the war in 1917
12 A Multi-Front War Western Front Eastern Front Across Belgium and N. France to Swiss borderEastern FrontBaltic to Black SeaAfrica and the Middle East
13 Trench WarfareBoth sides dug deep Trenches along the frontTrenches along the front provided protection from bullets and artillery shellsSupport trenches behind the lines provided first aid, supplies, and headquarters
19 Trench Warfare No Man’s Land Area between Trenches Military leaders sent “men over the top” in an attempt to take the other sides trenchesMen had to cross no man’s land while being shelled and shot at by machine guns
20 Trench WarfareTrenches were dug in a zig-zag pattern so that they could not be easily taken by intruding enemiesAerial view of a trench system(1917)
21 Trench WarfareEach trench had a listening post at the end, where men would sit at night and listen for any sounds.
22 Trench WarfareFlooding was a constant problem and this led to numerous cases of rat infestation
23 Trench Warfare Stalemate Neither side was able to make any major advances on the enemy trencheslead to fighting a war of attritionCause large numbers of causalities so the enemy gets tired of fighting