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WW2 in the Pacific. Unit 4 Lesson 8 (Section 25.4). Objectives. Review key victories in Europe leading to VE Day. Evaluate US strategy for victory in the Pacific and identify key turning points. Analyze Truman’s decision to drop the Atomic Bomb. Warm Up.

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Ww2 in the pacific

WW2 in the Pacific

Unit 4

Lesson 8

(Section 25.4)


Objectives
Objectives

  • Review key victories in Europe leading to VE Day.

  • Evaluate US strategy for victory in the Pacific and identify key turning points.

  • Analyze Truman’s decision to drop the Atomic Bomb.


Warm up
Warm Up

  • Explain how the Allies closed in on Hitler.




Holding off the enemy bataan jan apr 1942
Holding Off The Enemy- BataanJan-Apr 1942

70K American POW’s forced on “Death Marches”


Holding off the enemy coral sea may 1942
Holding Off The Enemy- Coral SeaMay 1942

USS Lexington Flight Deck- Carriers save Australia from invasion.


Holding off the enemy midway june 1942
Holding Off The Enemy- MidwayJune 1942

Adm Chester Nimitz surprises Japanese navy, “avenge” P.H.


Island hopping
Island Hopping

MacArthur’s strategy to leapfrog thru islands- skip strongholds, isolate/cut off others- to close in on mainland. Begins Aug 1942.




Defeating the enemy leyte gulf oct 1944
Defeating The Enemy-Leyte GulfOct 1944

MacArthur retakes the Philippines; JPN intro kamikaze tactics


Defeating the enemy iwo jima feb mar 1945
Defeating The Enemy- Iwo JimaFeb-Mar 1945

Costly Battle:

6K US dead

20K JPN dead





Think pair share
Think-Pair-Share

  • What would happen if we were to invade the main island of Japan?


Manhattan project fdr
Manhattan Project-FDR

1939 Einstein Letter

12/6/1941 FDR funds secret R&D facilities in NM, TN, WA.

7/16/45 Trinity Test in Alamagordo, NM



Military advice

Sec of War Henry Stimson

End it, save lives

Power over Soviets

Col Leslie Groves

Project Director

Drop ($ and manpower)

Admiral Ernest J King

Naval blockade

Gen Hap Arnold

Air raids, firebombings

Ambassador Joseph Grew

Negotiate, Hirohito stay

Military Advice


Scientific advice
Scientific Advice

  • Dr. Leo Szilard, 70 others

    • Will start arms race w/USSR

    • Immoral to drop w/o warning

    • Demonstration?

  • J. Robert Oppenheimer

    • Scientific Director-

      • Test may fail?

      • Shoot down plane?

      • Set up POWs?


To drop or not to drop
To Drop or Not to Drop…

  • Options:

    • Blockade/Air Raids, Invade Mainland, Demo, Wait for RUS, Negotiate Peace, Keep Emperor

  • TPS: How did Iwo Jima and Okinawa impact Truman’s decision to drop the bomb?


The final decision was up to me
“The final decision was up to me”

  • July 25- Prepare 2 bombs

  • July 26- Letter to Japan (from Potsdam)

    • “Surrender at once or face destruction”


August 6 1945
August 6, 1945

  • Enola Gay

  • Little Boy

  • Hiroshima



August 9 1945
August 9, 1945

  • Fat Man

  • Nagasaki






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