Transcript Atomic Bomb

Bell Quiz
(Pgs. 583 – 587)
1. Where was the first atomic bomb tested?
2. When did President Truman order the
military to make final plans for dropping
two atomic bombs on Japanese targets?
3. What was the name of the B-29 bomber
that dropped the bomb codenamed “Little
Boy”?
4. When did the Japanese formally surrender?
5. For how long did U.S. forces occupy Japan
after World War II?
Answers
1.
2.
3.
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5.
Alamogordo, New Mexico.
July 25, 1945
Enola Gay
September 2, 1945
7 years
Bell Quiz
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Read the “Point/Counterpoint”
section on page 585 in regards to the
dropping of the atomic bomb.
Answer questions 1 and 2 on page
585 in the “Thinking Critically” box.
Objectives
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Explain the development of the
atomic bomb.
Discuss the debates about the use of
the atomic bomb.
Describe the challenges faced by the
Allies in building a just and lasting
peace.
Atomic Bomb
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Iwo Jima and Okinawa opened the way for
an invasion of Japan.
It was estimated that the U.S. would lose
about 1 million soldiers and Britain about
500,000. The Japanese would lose
millions.
An invasion of Japan would lead to a
massive loss of life.
President Truman saw only one way to
avoid an invasion of Japan.
Truman decided to use the atomic bomb.
Albert Einstein
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Albert Einstein was a German
born Jew.
He is best known as physicist
and for his theory of
relativity.
Einstein was a Jewish refugee
to the U.S.
1939, Einstein and other
scientists sent a letter to
President Roosevelt urging
U.S. development of an
atomic bomb.
Roosevelt authorized the
research into the
development of the bomb,
but Einstein never worked on
the Manhattan Project.
The Manhattan Project
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The Manhattan Project was the U.S. program to develop an atomic bomb for use
in World War II.
The project was led by General Leslie Groves.
J. Robert Oppenheimer was an American scientist and the research director on
the project.
The first test of the bomb took place on July 16, 1945 near Las Alamos, New
Mexico.
On July 25, 1945 Truman ordered the military to make final plans for dropping
the bomb on Japanese targets.
The Atomic Bomb
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Upon witnessing the explosion, its creators had mixed
reactions.
Isidor Rabi felt that the equilibrium in nature had been
upset as if humankind had become a threat to the world it
inhabited.
Robert Oppenheimer, though ecstatic about the success of
the project said "I am become Death… "the destroyer of
worlds."
Ken Bainbridge, the test director, told Oppenheimer, "Now
we're all sons of bitches.“
General Leslie Groves Was ecstatic expecting a promotion
and said while holding his collar “the bomb is brighter than
2 stars.”
After viewing the results several participants signed
petitions against loosing the monster they had created, but
their protests fell on deaf ears.
Atomic Bomb Facts
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http://www.geocities.com/athens/ag
ora/4526/index1.html
Hiroshima
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August 6, 1945 an atomic bomb was dropped on Hiroshima
killing 140,000 people.
The Hiroshima bomb was codenamed “Little Boy”.
The bomb was dropped from a B-29 bomber named Enola
Gay.
The Japanese still refused to surrender after Hiroshima.
Nagasaki
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August 9, the city of
Nagasaki was bombed
killing 80,000 people.
The Nagasaki bomb was
codenamed “Fat Man”.
An estimated 220,000
people died as a result
of the atomic blasts.
September 2, 1945, the
Japanese formally
surrendered.
The Yalta Conference
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The meeting of Roosevelt, Churchill and Stalin in
February 1945.
The “Big Three” discussed the fate of Germany
and the postwar world.
The meeting produced a series of compromises.
• A division of Germany into 4 zones.
• Stalin agreed to join the war against Japan.
• Stalin agreed to participate in the United Nations.
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The United Nations (UN): an international peacekeeping
organization to which most nations in the world belong.
The UN was founded in 1945 to promote world peace,
security, and economic development.
Nuremberg Trials
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24 Nazi leaders were put on trial for crimes against humanity,
peace, and war crimes.
The defendants included Hitler’s most trusted party officials,
governing ministers, military leaders, and powerful
industrialists.
12 of the 24 defendants were sentenced to death.
Nuremberg Trials
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In later trials nearly
200 more lesser Nazi
leaders were found
guilty of war crimes.
The Nuremberg Trials
established the idea
that individuals are
responsible for their
own actions, even in
times of war.
Occupation of Japan
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Japan was occupied by U.S. forces for seven years.
1,100 Japanese soldiers were arrested and put on
trial.
Seven, including Prime Minister Hideki Tojo, were
sentenced to death.
During the occupation, the U.S. reshaped Japan’s
economy and government.