About This Chapter
U.S. Involvement in World War II (1941-1945) - Chapter Summary
The video lessons in this chapter center on why the United States entered the Second World War and how doing so affected its outcome. The lively instructors teach you about the 1941 attack on Pearl Harbor and how involvement in World War II impacted American society. You'll learn about D-Day warfare as well as America's use of atomic bombs in Japan. The chapter also provides insight into the Yalta and Potsdam Conferences. Once you complete all the video lessons, you should be able to explain:
- What factors contributed to the start of WWII
- How the U.S. responded to Japan's attack on Pearl Harbor
- How WWII affected the U.S. politically, economically and socially
- What military strategies the Allies used during the D-Day invasion
- How the use of atomic bombs in Hiroshima and Nagasaki impacted Japan and the war
- What the results of the Yalta Conference and Potsdam Conference were
Our video lessons are typically under 10 minutes in length to help you learn about key terms, figures and events efficiently. Videos contain tags so that you review major points without re-watching the entire video. The professional instructors leading these videos bring important historical events to life, which make the lessons information-packed and entertaining. In addition to the videos, each lesson includes a transcript that provides yet another way to study the material. Self-assessment quizzes accompany the lessons so that you'll be able to gauge your understanding of the chapter's topics.
1. World War II: The Start of the Second World War
Learn all about the start of World War II and why the League of Nations could not stop aggression by Italy, Germany and Japan in the 1930s, which led to the outbreak of this second global conflict.
2. The Attack on Pearl Harbor: The Beginning of American Involvement in World War II
On December 7, 1941, the Empire of Japan launched a surprise attack against Allied possessions in the Pacific, including the American military base at Pearl Harbor, Hawaii. After decades of conflict between the two nations, the U.S. declared war.
3. The United States During WWII: The Home Front
When the United States entered World War II in December 1941, life changed almost overnight for those on the battle front and on the home front. Learn about the war's dramatic and lasting effects on American government, economy and society.
4. The D-Day Invasion: The Beginning of the End of Nazi Germany
Operation Overlord, the invasion of Nazi-occupied Western Europe, began with the D-Day landings on the beaches of Normandy on June 6, 1944, with Hitler's last stand taking place at the Battle of the Bulge. Learn about these and other events that contributed to the end of Nazi Germany.
5. Hiroshima and Nagasaki: How the Atomic Bomb Changed Warfare During WWII
As America and its WWII allies considered invading Japan, the Manhattan Project successfully developed an atomic weapon. Its use on Hiroshima and Nagasaki, Japan, precipitated VJ Day, the end of the Pacific war, on August 14, 1945.
6. The Yalta Conference and The Potsdam Conference: US Diplomacy & International Politics During World War II
Throughout the course of WWII, leaders of many Allied nations met many times to discuss strategy. Then, near the end of the war, two historic conferences shaped the post-war world.
Earning College Credit
Did you know… We have over 200 college courses that prepare you to earn credit by exam that is accepted by over 1,500 colleges and universities. You can test out of the first two years of college and save thousands off your degree. Anyone can earn credit-by-exam regardless of age or education level.
To learn more, visit our Earning Credit Page
Transferring credit to the school of your choice
Not sure what college you want to attend yet? Study.com has thousands of articles about every imaginable degree, area of study and career path that can help you find the school that's right for you.
Other chapters within the GACE Middle Grades Social Science (015): Practice & Study Guide course
- European Colonies in North America (1497-1732)
- Important Events Leading to the American Revolution
- Events & Leaders of the American Revolution
- The Making of a Nation after the American Revolution
- The Virginia Dynasty
- Manifest Destiny & American Expansion
- Everyday Life in Antebellum America
- Jacksonian Democracy
- American Civil War & Reconstruction Overview
- Westward Expansion, Industrialization & Urbanization (1870-1900)
- American Imperialism & World War I
- The Progressive Era of the Early 20th Century
- 1920s America
- America and the Great Depression
- Post-World War ll America (1946-1959)
- The Cold War in America (1950-1973)
- Civil Rights & Other Movements in the US (1954-1973)
- America in the 1970s
- America in the 1980s
- Recent American History (1992-2013)
- The History of Georgia
- Introduction to Government
- Introduction to Economics
- American Government
- Latin American History
- Canadian History
- European History: Geography, Colonization, WWI & Russia
- European History: The 1920s & 1930s
- European History: The Rise of Fascism
- European History: World War II
- European History: Post-War Europe
- European History: Cold War Europe
- European History: Integration in Europe after the Soviet Union
- Australian History
- Overview of African History
- Asian History
- GACE Middle Grades Social Science Flashcards
- History of Political Parties in the U.S.