Alpha Omega
History and Geography—Two World Wars
Here's a combination textbook/workbook that examines the conditions in Europe that lead to World War I. Ideal for homeschoolers as well as classroom use.
US Holocaust Memorial Museum
U.s. Holocaust Memorial Museum: Axis Alliance in World War Ii
A brief analysis of the Axis powers during World War II, and the causes they had in common.
Wikimedia
Wikipedia: World War Ii
Visit this website from the Wikipedia encyclopedia for an exhaustive encyclopedia article on World War II. Content includes information on the causes of the war, the European theater, the Pacific theater, and the historical significance...
History of American Wars
History of American Wars: Causes of World War 2: (1939 1945)
A timeline showing the events between 1914 and 1939 that led to the outbreak of World War II, one from March to December of 1941 listing the events leading to America's involvement.
US Holocaust Memorial Museum
Ushmm: Holocaust Encyclopedia: Mosaic of Victims
An analysis of the scope of Nazi persecution during World War II, including the Jews, Poles, Roma, and any groups people who did not support the Nazi cause.
Khan Academy
Khan Academy: The Baby Boom
Looks at the baby boom in America after World War II - what caused it, why it lasted so long, and the far-reaching social and economic impact it has had on the United States.
Khan Academy
Khan Academy: Ap Us History: 1890 1945: The Us in Wwi: The Treaty of Versailles
Looks at the Treaty of Versailles, what its terms were, why America never ratified it or joined the League of Nations, why Germans grew to resent the burdens it imposed on them, and how this contributed to Hitler's rise to power....
US Holocaust Memorial Museum
U.s. Holocaust Memorial Museum: The Story of Raphael Lemkin
An article about Raphael Lemkin, a Polish Jew who emigrated to the U.S. at the beginning of World War II. As a lawyer and scholar, he documented Nazi atrocities and coined the word "genocide."
Internet History Sourcebooks Project
Fordham University: Modern History Sourcebook
A rich Fordham University site of primary source material that include full-text, and multimedia sites. There are additional study and research guides such as Modern History in the Movies.