us entry into wwi. american neutrality president woodrow wilson declares the us neutral did not want...
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American Neutrality• President Woodrow Wilson declares the US neutral
• Did not want to get involved in a foreign war.• This was a difficult to do for many Americans.
Reasons for US Entry into WWI• Inability to remain neutral in the face of increasing threats
to America’s economic interests.• US had close economic ties to Great Britain.• American banks begin to lend money to Allies.• If Allies won, money would be paid back.• If Allies lost, money might be lost forever.
Reasons for US Entry into WWI• British Propaganda
• Propaganda: ideas spread to influence public opinion for or against a cause.
• British want the U.S. to get involved• Radio, newspaper propaganda portraying Germans as savages
Reasons for US Entry into WWI• 1. German unrestricted submarine warfare
• Britain blockaded ports to prevent supplies from getting to Central Powers.
• Germany needs to get around blockade.• Also wants to prevent Allies from getting food and supplies.
Reasons for US Entry into WWI• German U-Boats - submarines• Germany would shoot at any ship without warning – a
violation of international law.
Reasons for US Entry into WWI• Lusitania – British passenger ship - 1915
• German U-Boat fires on ship – ship sinks• Kills 128 Americans
Reasons for US Entry into WWI• 1916 – U-Boat fires upon Sussex – French ship with
Americans on board.• After American pressure, Germany issues Sussex Pledge:
• promise not to sink passenger ships• promise to sink no more merchant ships without warning.
• The Germans do not keep their promise – sink American merchant ships without warning
Reasons for US Entry into WWI• 2. Zimmerman Telegram - 1917
• Sent from Arthur Zimmerman, German official to the German ambassador in Mexico.
• Answer the following questions on a sheet of paper or on the back of your notes:1. What was the purpose of the Zimmerman Telegram?
2. How do you think the United States reacted when they read this telegram?
Reasons for US Entry into WWI• President Wilson asks
Congress to declare war on Germany – April 2, 1917.
• “The world must be made safe for democracy.”
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Eastern Front
Huge Russian losses exacerbated social unrest
Tzar at the front;
Russian Revolution (1917) effectively took Russia out of the war
Dec 15, 1917 - Russia negotiated armistice with Central Powers
• Began negotiations for peace treaty one week later
tzarina not able to exercise control
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Treaty of Brest-LitovskMarch 3, 1918
Ended war between Russia & Central Powers
Russia ceded large territory to Germany
Most significant:
One million German troops released to Western Front
What was Its aim?•Ludendorff’s Spring Offensive Plan 1918 was one all- consuming effort for a new assault on the weaker spots on the allied front line, Before America arrived with Fresh Troops.
•They Created a new strategy call ‘Storm Trooper Assault’ armed with light machine guns and flame throwers, small groups of soldiers were to cross trench lines and break through to the enemies artillery and destroy it. Storm Troopers would be followed by battle units whose task was to stop resistance. A third wave of troops would then consolidate the gains.
How it broke the Stalemate?
•The war was still in a stalemate at the beginning of 1918.
•Ludendorff’s Spring Offensive broke the stalemate as it was successful in breaking through the enemy line using the ‘Storm Trooper Assault’ and using this tactic on weak areas of the allied line this area being were the French and British met.
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StrumtruppenStormtroopers
Bypassed strong points to attack from rear
Blitzkrieghttp://www.bellum.nu/basics/concepts/blitzkrieg.htm
Strumtruppenhttp://www.worldwar1.com/arm011.htm
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Western Front 1917-1918
German Spring Offensive March 21 - July 18, 1918
Ludendorff Offensive or Kaiserschlacht
Spring Offensive
~500,000 US troops in France by March 1918
… and increasing by 300,000/month
Last ditch effort by Germany
The Second Battle of the Marne – July 18, 1918
- Major Allied victory- German Generals at this point
know they cannot win.- 100 000 US troops arrive each
month.- Germany would not win
another battle in the war.
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