The “Spark”

Europe in 1914

Archduke Franz Ferdinand & His Family

The Assassination: Sarajevo

The Assassin: Gavrilo Princip Gavrilo Princip

Who’s To Blame?

Two Armed Camps! Allied Powers: Central Powers:

A Multi-Front War

The War of the Industrial Revolution: New Technology

War Is HELL !!

Poison Gas Machine Gun

Flame Throwers Grenade Launchers

Krupp’s “Big Bertha” Gun

Trench Warfare “No Man’s Land”

Trench Warfare

British Tank at Ypres

U-Boats

Allied Ships Sunk by U-Boats

The Airplane “Squadron Over the Brenta” Max Edler von Poosch, 1917

Curtis-Martin U. S. Aircraft Plant

The Zeppelin

Sacrifices in War

9,000,000 Dead 9,000,000 Dead

World War I Casualties

The U.S. and WWI Five Reasons Why the U.S. Joins the War

Reason 1: Unrestricted Submarine Campaign During World War I, the U.S. heavily supported Britain and France with loans, equipment, and weapons… The British blockade German ports (causes starvation), so Germany uses U-boats to sink _________________________ The British blockade German ports (causes starvation), so Germany uses U-boats to sink _________________________ ____________ – Germany warns ships before sinking ____________ – Germany warns ships before sinking Much of this was sent on British cargo vessels and some was even sent on passenger ships The Lusitania on its final voyage

U-Boats and the Sinking of the Lusitania The Germans realized this and announced they were going to ___________ without warning The Germans realized this and announced they were going to ___________ without warning They even posted _____ in the paper warning American’s that they were traveling towards a war zone and risked ________

Americans were outraged that _____________ died in this incident. Germany charged the ship was carrying weapon supplies, which turned out to be ___________

Reason 2: Economic Motives During World War I, the U.S. heavily supported Britain and France’s war effort with loans… –U.S. loaned the _______________ billion during the course of the war – After Russia withdraws, the Allies told Pres. Wilson they will __________ without U.S. involvement ( and therefore have no $$$ to pay U.S. back!) –A declaration of war followed shortly thereafter…

Reason 3: Propaganda Propaganda is___________ –At the beginning of the war, the German telegraph line is cut by the British Navy –For the rest of the war, American information comes from Britain

Reason 4: the Zimmerman Telegram (Received Feb 21, 1917, dated Jan 19) The Zimmerman Telegram was a telegram from ___________ asking Mexico to join the war against the U.S. The Zimmerman Telegram was a telegram from ___________ asking Mexico to join the war against the U.S. In exchange, Germany would help them get back territory lost to the U.S. in 1848 In exchange, Germany would help them get back territory lost to the U.S. in 1848 Many Americans feared Europe’s war may come to ___________ Many Americans feared Europe’s war may come to ___________ The Zimmerman Telegram

Reason 5: Russia Withdraws from WWI (Nov, 1917) After losing millions of men, the people of Russia began to protest their role in WWI. Russia also had many economic problems, causing many people to call for a revolution... –Germany smuggled Vladimir Lenin back into Russia on a train to start a revolution –Russia signed a peace treaty with the Central Powers –The result was Germany could focus all of its muscle towards the western front