Consultant
Jennifer M. Lopez, NBCT, M.S.Ed.
Teacher SpecialistHistory/Social Studies
Office of Curriculum & Instruction
Norfolk Public Schools
Publishing Credits
Rachelle Cracchiolo, M.S.Ed., Publisher
Conni Medina, M.A.Ed., Editor in Chief
Emily R. Smith, M.A.Ed., Content Director
Vronique Bos, Creative Director
Robin Erickson, Art Director
Michelle Jovin, M.A., Associate Editor
Kevin Panter, Senior Graphic Designer
Image Credits: front cover (all), p.15 (top) U.S. Navy; pp.23, p.5 (top), p.9
(bottom), p.10 (left), p.11 (bottom), p.18 (right), p.22 (left), p.22 (bottom right),
p.24 (bottom), p.25 (left) U.S. National Archives; p.4 (bottom) William Vandivert/
The LIFE Picture Collection/Getty Images; pp.45 Roger Viollet/Getty Images;
p.6 (top left) Library of Congress [LC-USZ62-40522]; p.6 Universal History
Archive/UIG via Getty Images; p.8 (top) LOC [LC-USZ62-129812]; p.9 (top left/
right) National Park Service; p.10 (center) The Allied Graph, January 1944; p.11
(top), p.19 Keystone/Getty Images; p.12 LOC [LC-USZ62-128775]; p.13 (left) LOC
[LC-DIG-ds-10891]; p.13 (right) U.S. Army; p.14 (right), p.15 (bottom right), p.17
(right) Naval History and Heritage Command; p.15 (bottom left) U.S. Air Force;
p.17 (left) AP Photo; p.18 (left) George Bush Presidential Library; pp.2021, p.21
(bottom) USMC Archives; p.21 (top) AP Photo/Joe Rosenthal; p.22 (top right) LOC
[LC-USZ62-117122]; p.23 Los Alamos National Laboratory; p.24 (top), p.25 (top right)
Everett Historical/Shutterstock; p.26 (left) Kyodo News via Getty Images; p.26 (right)
Everett Collection Historical/Alamy; p.27 Lucas Vallecillos/Alamy; p.29 (top) Ryo
Fukasawa/Flickr; p.29 (bottom) LOC [LC-USZ62-21027]; p.32 Jon Bilous/Shutterstock;
all other images from iStock and/or Shutterstock.
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2020 Teacher Created Materials, Inc.
ISBN 978-1-0876-5487-4
Table of Contents
World at War ........................... 4
Becoming Enemies ...................... 6
Japan on the Attack .....................10
Turning Point ..........................14
Retaking the Pacific .....................18
Ultimate Weapon ...................... 22
Post-War World ....................... 26
Write It! .............................. 28
Glossary .............................. 30
Index .................................31
Your Turn! ............................ 32
World at War
It was the most destructive war ever. World War II involved
more countries and cost more lives than any other conflict in
history.
For the United States, World War II was fought on two fronts .
In Europe, members of the military joined the Allied forces
in the fight against the Axis powers. In the Pacific, the U.S.
military fought a fierce air and sea war with Japan.
In the fall of 1939, German soldiers invaded Poland. That
began the war in Europe. German troops took control of more
and more land. Great Britain was one of the last European
countries not under German control. The U.S. government
sent weapons to British troops but stayed out of the fighting.
Americans remembered World War I. They did not want to go
to war again.
Tens of thousands of buildings
were destroyed in World War II.
Then, in 1941, Japanese planes bombed
a U.S. naval base in Hawai'i. The attack left
Americans with no choicethey joined the
Allies in Europe and fought back against
Japanese troops in the Pacific. That front
ended with the first and only use of atomic
bombs against a human population.
World War II changed the world. This is the
story of the wars Pacific front.
Ready or Not
Before joining the war, the United
States had been at peace for more
than 20 years. It had only three
aircraft carriers in the Pacific, and
its pilots lacked combat training.
The Japanese had been waging a
brutal war in China. They had six
aircraft carriers, and their pilots
were highly trained.
Axis vs. Allies
World War II was fought
between two groups. Japan,
Germany, and Italy led the
Axis powers. On the other
side were the Allied forces.
The Allies were led by Great
Britain, the Soviet Union,
and later, the United States.
Axis Allies
vs.