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

Explain how the Allies closed in on Hitler.

Japanese Aggression

Consequences Pearl Harbor?

Holding Off The Enemy- BataanJan-Apr 1942

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

Holding Off The Enemy- Coral SeaMay 1942

USS Lexington Flight Deck- Carriers save Australia from invasion.

Holding Off The Enemy- MidwayJune 1942

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

Island HoppingMacArthur’s strategy to leapfrog thru islands- skip strongholds, isolate/cut off others- to close in on

mainland. Begins Aug 1942.

Navajo Code Talkers

Defeating The Enemy- GuadalcanalAug 1942

Defeating The Enemy-Leyte GulfOct 1944

MacArthur retakes the Philippines; JPN intro kamikaze tactics

Defeating The Enemy- Iwo JimaFeb-Mar 1945

Costly Battle:

6K US dead

20K JPN dead

Raising the Flag

Death of a President

Defeating The Enemy- OkinawaApr-June 1945

Think-Pair-Share

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

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

Manhattan Project- Truman

Military Advice Sec of War Henry Stimson

End it, save livesPower over Soviets

Col Leslie GrovesProject DirectorDrop ($ and manpower)

Admiral Ernest J KingNaval blockade

Gen Hap ArnoldAir raids, firebombings

Ambassador Joseph GrewNegotiate, Hirohito stay

Scientific Advice

Dr. Leo Szilard, 70 others Will start arms race w/USSRImmoral to drop w/o warningDemonstration?

J. Robert OppenheimerScientific Director-

Test may fail?Shoot down plane?Set up POWs?

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”

July 25- Prepare 2 bombs

July 26- Letter to Japan (from Potsdam)“Surrender at once or

face destruction”

August 6, 1945

Enola GayLittle BoyHiroshima

Hiroshima

August 9, 1945

Fat ManNagasaki

Nagasaki

VJ Day

America Celebrates End of War

Homework