When the U.S. entered WW2 in late 1941, Japan dominated Germany controlled

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When the
U.S. entered WW2
in late
1941,
Japan
dominated
Germany
controlled
victory
seemed
remote
the western half of
almost all of Europe
the Pacific Ocean
Germany pressed
into Russia
Axis armies
controlled
Northern Africa
& threatened
But…over
the next 2 years, the U.S. & the Allies
the
Suez
Canal
began
to win
the wars in Europe & the Pacific
Europe 1941-1943
The U.S. wanted
to attack across
Nazi-controlled
France by 1943
The
USSR
“freed”
Poland,
England
wanted
Hungary,
Romania
to attack Italy In 1942,
troops
To U.S.-Anglo
win the European
Infrom
1943,
the Sovietbegan
armycampaign,
wonItalian
at Stalingrad;
Northern
the
2campaign
different
Germany
was never &
again
on was
the
offensive
Africa in 1942
Stalin
ANGRY
plans
were
proposed
The Allies began to win the Battle of the Atlantic in
1941 with Lend-Lease aid, but took control in 1943
with America’s entry into the war
Tehran
Conference,
1943
By agreeing to “Operation Overlord”
In (D-Day),
1943,a FDR,
Churchill,
Stalin
met
FDR■proposed
future
United
Nations
dominated
the Allies
would
divide
the
by “4 policemen”
(USA,
Britain,
USSR)
in Tehran,
Iran for
the China,
firstfronts
of&three
Axis military
across
two
with
power to
“deal immediately with any
wartime
conferences:
sudden emergency which requires action”
–The USA, Britain, USSR
coordinated their war strategy
–FDR & Churchill finally committed
to Stalin’s demands to open a
western front (D-Day)
–Discussed plans to create a
“general internat’l organization” to
promote “peace & security” (UN)
Europe 1944-1945
U.S. & British
troops landed at
5 strategic points,
pushed through
France drove
towards Germany
The long-awaited 2nd
front came on June 6,
1944 with D-Day
Yalta Conference in February 1945
■TheTo“Big
3” met
Yalta to &
recognize
theat
independence
discuss post-war
given
sovereignty
of nationsEurope
in Eastern
Europe
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
Soon after the Yalta Conference in Feb 1945,
FDR died…and 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
The Doolittle Raid
on Tokyo
on April
strategic 18,
islands
investing
precious
1942without
was a morale
boost
time, resources, & American lives
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
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 fullscale 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)
Nagasaki
Hiroshima
Its Finally Over!
Conclusions
■WW2 was the largest & deadliest
war in history & changed the U.S.
–Wartime industry ended the
Great Depression, expanded
the size of the federal gov’t, &
ushered in affluent decade
–The USA emerged as a world
superpower, developed a
nuclear arsenal, & engaged a
Cold War against the USSR
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