World War I The Great War 1914 1918
- Slides: 36
World War I The Great War 1914 -1918
The U. S. Enters the War • The United States tried to remain neutral • The U. S. into the war: 1. 2. 3. 4. 5. S -Sussex Pledge L- Lusitania U -Germany’s use of unrestricted submarine warfare T –secret treaties Z- The Zimmerman Telegram
Sussex Pledge • Germany agrees not to sink any merchant ships • Diplomacy fails
Unrestricted Submarine Warfare • The Germans attacked British and French ships to cut off supplies to those countries. • The rules of war stated that submarines were to surface, search the ship for contraband, take the captain prisoner and allow the crew to get onto lifeboats, and then sink the ship. • The Germans, however, struck the ships without warning from below the surface using torpedoes.
The Lusitania • The Lusitania was a British passenger ship sunk by a German U-boat – The Lusitania was carrying war materials as well as passengers • 1, 200 people were killed, including 128 Americans • President Wilson warned Germany and Germany cut back on submarine attacks (Sussex Pledge)
The Zimmerman Telegram • The German Foreign Minister Alfred Zimmerman thought the U. S. was going to enter the war of the side of the British. • He tried to create an alliance with Mexico and sent a coded telegram. – Mexico would attack the U. S. – If Germany won the war, Mexico would reclaim Texas, New Mexico, and Arizona. • The British intercepted the note and gave it to the U. S. • Americans were upset and became convinced to enter the war.
The U. S. Enters the War
World War I Technology
Submarines
Submarines
Submarines World War I Today • Germans used to attack merchant ships • Used to patrol the oceans • British used to patrol their coast • Nuclear weapon launching platform
Sea Mines
Sea Mines World War I • Used by the British to close German harbors and sink German ships Today • Used in WWII but are not used today
Dreadnaught
Dreadnaught World War I Today • Huge warships with massive guns • Replaced by aircraft carriers • Were a symbol of a country’s power – but not very effective • Not used in warfare today
Machine Guns
Machine Guns World War I • Designed for defense because it could not be moved easily • Fired up to 300 rounds per minute Today • Easy to move • Can fire thousands of rounds per minute.
Tanks
Tanks World War I • Slow and difficult to move vehicles used against machine guns and trenches Today • Fast moving machines used to lead the attack
Gas
Gas World War I Today • Used as a weapon of mass destruction, to kill enemy soldiers before an attack • Mustard – affected the eyes • Chlorine – destroyed the lungs • Outlawed by an international agreement • Used by Saddam Hussein against the Kurds
Flame Thrower
Flame Thrower World War I Today • Used to attack trenches by shooting liquid fire • Used in WWII to attack fortifications • A horrible weapon to use against the enemy • Not used today because troops are too mobile
Zeppelins
Zeppelins World War I • Used to spy on enemy positions • Used to attack silently at night with bombs Today • No military use • Sometimes used for advertising
Airplanes
Airplanes World War I Today • Used to spy on enemy positions • Military and commercial use • Bomb the enemy behind their lines or the home front • Unmanned drones used to spy • Stealth technology
Total Warfare World War I Today • Propaganda to motivate • Military spending plays the population a big part in the economy • Factories/machines used to make weapons • Homeland Security Color Alerts • Population will have to make sacrifices
Draft World War I Today • Used to meet the needs of the military during the war • No draft in effect today
Trench Warfare
Trench Warfare
Trench Warfare
The End of the War • When the U. S. enters the war, it is the beginning of the end for the Triple Alliance (Central Powers). • By 1918, the Americans are landing 1 million soldiers a month in Europe. • American Expeditionary Forces led by General J. J. Pershing (Western Front) • Germany retreats and the Kaiser flees to the Netherlands. – Argonne Forest • The war ends on November 11, 1918. We celebrate this a Veterans’ Day.
Assignment • Do the Gallery Walk in the hallway • Complete the questions from the handout. • Write a 1 page letter as if you are soldier. Use 10 of the provided terms. – This is a test grade
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