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US Involvement in World War 2


America At War U.S. In World War II Essential Question: What role did the U.S. play in winning the wars in Europe & the Pacific? When the U.S. entered WW2 in late ... – PowerPoint PPT presentation

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Title: US Involvement in World War 2

America At War
U.S. In World War II
  • Essential Question
  • What role did the U.S. play in winning the wars
    in Europe the Pacific?

When the U.S. entered WW2 in late 1941, victory
seemed remote
Japan dominated the western half of the Pacific
Germany controlled almost all of Europe
Germany pressed into Russia
Axis armies controlled Northern Africa
threatened the Suez Canal
Butover the next 2 years, the U.S. the Allies
began to win the wars in Europe the Pacific
Europe 1941-1943
England wanted to attack Italy from Northern
Africa in 1942
The USSR freed Poland, Hungary, Romania
The U.S. wanted to attack across Nazi-controlled
France by 1943
In 1942, U.S.-Anglo troops began the Italian
campaign Stalin was ANGRY
To win the European campaign, 2 different plans
were proposed
In 1943, the Soviet army won at Stalingrad
Germany was never again on the offensive
The Allies began to win the Battle of the
Atlantic in 1941 with Lend-Lease aid, but took
control in 1943 with Americas entry into the war
Europe 1944-1945
U.S. British troops landed at 5 strategic
points, pushed through France drove towards
The long-awaited 2nd front came on June 6, 1944
with D-Day
Allied ingenuity helped win the war U.S.
soldiers were trained to problem-solve rather
than wait for orders
Hedgerows in Normandy
Yalta Conference in February 1945
  • The Big 3 met at Yalta to discuss post-war
    Europe given the eminent defeat of Germany
  • Stalin refused to give up Eastern Europe but he
    did agree to self-determination
  • Stalin agreed to send Soviet troops to the
    Pacific after the German surrender if the USSR
    could keep Manchuria

To recognize the independence sovereignty of
nations in Eastern Europe
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Soon after the Yalta Conference in Feb 1945, FDR
diedand Harry Truman became president
In late April 1945, the Allies broke through the
Eastern Western Fronts forcing both Italy
Germany to surrender
Island-hopping allowed the Allies to win
strategic islands without investing precious
time, resources, American lives
The Doolittle Raid on Tokyo on April 18, 1942 was
a morale boost
U.S. victory at Midway in 1942 gave the Allies
naval supremacy
The Japanese refused to play by according to the
Geneva Convention rules of war
World War II in the Pacific
The German surrender in May 1945, allowed the
U.S. to turn its full attention towards Japan
Victories at Saipan in 1944 Iwo Jima Okinawa
in 1945 allowed for bombings on Japan
The Decision to Drop the A-Bomb
  • With no definitive end it sight, how would the
    Allies defeat Japan?
  • The U.S. military favored a full-scale invasion
    of Tokyo by 1946
  • The Japanese refused to surrender were arming
    civilians for an Allied invasion
  • At the Potsdam Conference in July 1945, Truman
    gave the order to use the atomic bomb

Enrico Fermi at the University of Chicago
Triumph Tragedy in the Pacific
  • In August 1945, the USA forced Japan to surrender
    by dropping 2 atomic bombs
  • Effect of the atomic bomb
  • Saved hundreds of thousands of American (
    Japanese) lives
  • Revenge for Pearl Harbor
  • Showed the USSR that the USA had the ultimate
    weapon (began the Cold War nuclear arms race)

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Its Finally Over!
WW2 Timeline (Allies, Axis, USSR)
Results of War
  • 60 million killed
  • European empires ended
  • Independence movements begin
  • America becomes world economic, military and
    political superpower
  • GI Bill of Rights
  • Provided education costs for veterans
  • Nuremberg
  • Trial to punish Nazis for Holocaust and crimes
    against Humanity
  • Establish precedent that leaders and military
    people are responsible for wartime actions