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Flamethrowers were first seen used by the Germans in the Battle of Verdun. Over the course of the war Britain and France developed flamethrowers, but did not use them as much as Germany.

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Submarines during WWI were mostly used by the Germans. The Germans developed deadly U-boats. U-boats could sneak under the water and take out ships from far away.

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When aircraft were first used in the war they were only for reconnaissance. When the war advanced planes were armed with machine guns and bombs.

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Artillery killed more people in WWI than any other weapon. Artillery advanced so much that some could hurl projectiles so far they had to account for the rotation of the Earth when plotting their fire.

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Machine guns were based off of the maxim gun. Their fire rate could cut down an entire wave of enemy troops like nothing.

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Gas masks were made as a result of poisonous gas attacks. While the first ones were crude, by April 1916 gas masks had become standard issue.

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-United States was apart of the Allies.
-At the end of the war the United States had mobilized 4,355,000 troops.
-The US joining the war in 1917 secured victory for the Allies.

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-France was apart of the Allies
-France had a total of 8,410,000 troops mobilized by the end of the war.
-France was the main target of Germany. They fought at the Western Front.

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-Belgium was apart of the Allies.
-Belgium had an army of 267,000 at the end of the war.
-When Belgium was invaded it brought Great Britain into the war

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-Bulgaria was apart of the Central Powers.
-Bulgaria had 1,200,000 troops mobilized at the end of the War.
-Bulgaria destroyed the foreign policy goals of Romania.

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-Russia was apart of the Allies.
-By the end of the war Russia had mobilized 12,000,000 troops.
-When the war started Russia had the biggest army in the world.

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-Italy was apart of the Allies.
-At the end of the war Italy mobilized 5,615,000 troops.
-Italy joined the war because of a secret agreement.

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The United States declared war on Germany on April 6, 1917

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-Many people in Britain thought that the treaty was fair or not severe enough.
-People in France celebrated and they approved of the reparations.
-The US reaction was pretty negative. Many thought that the treaty was unfair on Germany.
-The Germans had protests in the German Reichstag and out on the streets.

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After signing the Treaty of Versailles, Germany was limited to an army if 100,000 men.

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-Italy got Trentino and Trieste.
-Serbia got Bosnia

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The goal of the treaty was to make Germany pay.

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The treaty of Versailles required Germany to pay reparations.

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The Treaty of Versailles was a peace treaty that brought World War I to an end.

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Although the League of Nations ultimately failed, it brought an idea of a great alliance that would offer peace.

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-In 1920 the Poles captured Vilna and refused to withdraw.
-In 1922 Turkey drove the Greeks out of Smyrna. The League had to agree.

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-In Silesia in 1921 the League of Nations held a plebiscite and suggested a partition, which stopped a war between Poland and Germany.
-It helped settle a fight between Sweden and Finland over the Aaland Islands in 1921.
-When Greece invaded Bulgaria in 1925, the League of Nations ordered Greece to withdraw, which it did.

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The League of Nations lasted from 1920 through 1939. The League had a total of 63 countries in it.
The League of Nations was an international organization created to provide a forum for resolving international disputes.

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Members that were apart of the League of Nations.

Afghanistan
Albania
Argentina
Australia
Austria
Belgium
Bolivia
Brazil
Bulgaria
Canada
Chile
China
Colombia
Costa Rica
Cuba
Czechoslovakia
Denmark
Dominican Republic
Ecuador
Egypt
El Salvador
Estonia
Ethiopia
Finland
France
Germany
Greece
Guatemala
Haiti
Honduras
Hungary
India
Iraq
Ireland
Italy
Japan
Latvia
Liberia
Lithuania
Luxembourg
Mexico
Netherlands
New Zealand
Nicaragua
Norway
Panama
Paraguay
Persia
Peru
Poland Portugal
Rumania
Siam
Spain
Sweden
Switzerland
Turkey
Union of South Africa
U.S.S.R.
United Kingdom
Uruguay
Venezuela
Yugoslavia

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Hollywood produced many films about the war.
Propaganda encouraged people to buy Liberty bonds.

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During WWI the United States did not have food rationing. The US relied on propaganda campaigns to persuade the public to moderate food consumption.

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The US mostly bought munitions from France and Britain during the war.

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During the war Hollywood produced many propaganda films. The most successful was The Kaiser, the Beast of Berlin.

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Propaganda campaigns encouraged Americans to buy Liberty bonds.

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During WWI large numbers of women were recruited into jobs that had either been vacated by men who had gone to fight.

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By the end of the war the US had over a million troops stationed in France.

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The war cost the United States $32 billion dollars.

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-Alvin York
-Frank Luke
-Henry Johnson
-Charles Whittlesey
-Edouard Izac

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The US fought in the battle of Cantigny on may 28, 1918. Chateau-Thierry on June 3, 1918. The battle of Belleau Wood on June 6-26, 1918. The Battle of the Argonne Forest on September 26 - November 11, 1918.

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Germany violated its promise to suspend unrestricted submarine warfare in the North Atlantic and Mediterranean.

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Nationalism inspired Gavrilo Princip to assassinate Franz Ferdinand, starting WWI.

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Industrialism led to an increase in economic competition among European nations.

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Alliances caused tensions between European nations. In 1882 Germany, Austria, and Italy joined and made the Triple Alliance. In 1894 France and Russia made the Franco-Russian Alliance.

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Militarism was one of the main reasons for WWI. In the years following WWI European governments were strongly influenced by military generals and admirals. This lead to an arms race of military power.

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Trench warfare was WWI. The trenches stopped everyone from advancing until they had better technology. Without trenches the war would of ended extremely different. A difference, if not in the winner, that could have changed our advancements in technology.

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Millions of rats infested the trenches eating human remains and spreading diseases. Trench foot was also a really bad problem. Trench foot is a fungal infection caused by cold, wet, and unsanitary trench conditions. If it got real bad it could result in an amputation.

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Trench warfare was extremely successful because it protected troops extremely well.

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The Battle of the Somme was a joint effort between the British and the French to achieve a decisive victory over the Germans on the Western Front. More than one million people were injured or killed making it the bloodiest battle in European history

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The Battle of Jutland was a naval battle fought between the British and the Germans in the North sea above Denmark.  While there was no clear winner the British kept the Germans from accessing the United Kingdom and the Atlantic.

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The Battle of the Marne was the first battle in the war. The Germans tried to take out the French so that they would only have to deal with one front. The Germans did not have enough reinforcements and eventually lost.

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The battle of Verdun was the longest battle of WWI. It was fought between the Germans and the French on the Western Front. Although the French eventually won both sides suffered a combined loss of around 700,000 soldiers.

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-Douglas Haig was a senior officer of the British Army during WWI.
-He commanded the British Expeditionary Force on the Western Front from 1915-1918.

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-John J. Pershing was a U.S. Army general that commanded the American Expeditionary Force in Europe during WWI.

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Tanks first appeared in WWI. The first tank came from the British. It was known as the Mark I. Tanks were heavily used during WWI as a way to stop stalemates at trenches.

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The Eastern Front was between the Russian Empire and Romania on one-side and the Austro-Hungarian Empire, the Ottoman Empire, The German Empire, and Bulgaria on the other side.

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The Western Front was the main line during WWI. Germany and France dug trenches  stretching from the North Sea to the Swiss frontier. Many battles took place here including the Battle of Verdun and the Battle of the Somme.

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-Vittorio Emanuele Orlando was the Prime Minister of Italy three years into WWI.
-In 1918 the Italians won the Battle of Vittorio Veneto.
-Vittorio Emanuele Orlando earned the title "Premier of Victory."

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- Nicolas II was the Tsar of Russia during WWI.
-During the war he was overthrown during the Russian Revolution.

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-Georges Clemenceau was the Prime Minister of France during WWI.

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-Woodrow Wilson was the President of the United States during WWI. He offered up the Fourteen Points so that Germany wouldn't be economically destroyed.

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-Wilhelm II was the Kaiser of Germany during WWI. He supported Austria-Hungary after Ferdinand was assassinated.

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-George V was the king of The United Kingdom.
-When WWI broke out he took a great effort to support the troops personally. He often went to the front lines and to hospitals.

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-Tanks had armour, firepower, and all-terrain mobility. Tanks stopped stale mates between trenches.
-Gas masks were made as a result of poison gas attacks in the trenches. Gas masks made poisonous gas less lethal.
-Advancements in Artillery made them the most deadly weapon in the war.
-Machine guns advanced to a point where they could mow down waves of enemies.

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Main Reasons for the War and Why the US Entered

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Main Reasons for the War and Why the US Entered

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-Great Britain was apart of the Allies.
-The British army had 4 million people in it.
-Great Britain was one of the main forces fighting in the war.

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-Germany was apart of the Central Powers.
-At the start of the war Germany had 3.8 million soldiers.
-Germany declared war on Russia and France. -Germany was probably the most powerful country at the start of WWI.

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-Serbia was apart of the Allies.
-At the start of the war the Serbian army had only 260,000 people in it.
-War was declared on Serbia a month after one of their people assassinated Austria-Hungary's  Archduke.

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Mustard gas is a deadly chemical that caused large blisters on the skin an in the lungs.

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Tear Gas was first used in WWI. It caused Severe eye, respiratory, and skin irritation, pain, bleeding, and even blindness

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The No 1 Grenade was the first grenade used by the British. It was horribly ineffective.

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The Maxim gun was invented by an American-British inventor Hiram Stevens Maxim. It was the first recoil-operated machine gun.

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The Lee-Enfield is a famous bolt action rifle used by the British.

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The 7.92 Mauser was a popular bolt action rifle used by the Germans.

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-Austria-Hungary was apart of the Central powers.
-They had 7,800,000 soldiers.
-They declared war on Serbia after a Serbian nationalist assassinated Archduke Franz Ferdinand.