Loudoun County Public Schools
World War I Causes Project
After completing this detailed and well-designed project, your young historians will be well-versed in their explanations of the reasons that various countries joined World War I! Learners design a picture book covering seven primary...
Social Studies Help Center
Social Studies Help: Why Did the United States Enter World War One?
A set of lecture notes on the events leading to WWI and their impact on the United States. Although this site covers WWI, its main focus is the war in relation to America, and why they joined the war.
US Navy
Naval Historical Center: The h.l. Hunley in Historical Context
An extensive history of the Confederate submarine, H.L.Hunley, the first submarine to sink a warship. Also information about two earlier prototypes.
Other
Destroyers Online: Destroyers, Destroyer Escorts, and Frigates
Extensive information about primary U.S. war ships used to protect convoys from U-Boats.
Other
American Merchant Marine at War: u.s. Merchant Marine in World War Ii
Gives an excellent history of the sailing ships and sailors of the Merchant Marine in both the Atlantic and Pacific. Links on the page include many firsthand accounts of the sailors and their experiences during the war.
US Navy
Naval Historical Center: H. L. Hunley, Confederate Submarine
This site provides a short article on the history of the first submarine to engage and sink a warship. Many links to information about its history, preservation and excavation. Includes original US and Confederate Navy documents.
Other
On Deck: Submarines in the Civil War
The Hunley wasn't the only submarine used in the Civil War. Read this comprehensive look at the research into underwater warfare and the results of that research.
Curated OER
History Matters: The Zimmerman Telegram Bringing America Closer to War
This is a copy of the actual Zimmerman Telegram where Germany states that it "Intends to begin - unrestricted submarine warfare." A great primary source that takes students deeper into historical understanding.
Digital History
Digital History: Neutrality and the Lusitania [Pdf]
American neutrality in World War I was sorely tested with the attack and sinking of the passenger ship, Luisitania. Read information about the attack and find conflicting reactions by Franklin Roosevelt and William Jennings Bryan about...
Digital History
Digital History: America Goes to War [Pdf]
President Woodrow Wilson tried to maintain American neutrality in World War I. Find out why he decided that the U.S. needed to join the war and read a portion of his message to Congress asking for a declaration of war against Germany....
Digital History
Digital History: America at War: The Guns of August
Read about the course of World War I on both the eastern and western fronts. See how the upheaval in the world brought about attempts at revolution in several countries.
University of Houston
University of Houston: Engines of Our Ingenuity: No. 381: Civil War Submarine
A short discussion about the invention of the submarine and its use by both the Confederates and the Federals in the Civil War. This is a transcript of an accompanying radio broadcast.
Digital History
Digital History: The United States Wwi
This site explains how Germany resuming unrestricted submarine warfare contributed to the US entering WWI. Site is well-written, informative, and contains great details.
Other
Canonesea, Convoy Hx72 and U 100
A detailed account of the attack on a merchant convoy traveling from Canada to England. At the time of the attack (Sept. 1940), it represented the largest U Boat "Wolf Pack" attack on a British convoy.
Other
Deep Image: The Discovery of the U767
A first hand account on the discovery of the German U Boat, the U767, which was sunk in the English Channel by British naval forces. Includes a primary source on the attack on the U Boat.
Oregon Secretary of State
Oregon at War: Before the War America's Strained Neutrality
Read about the attempts of the United States to remain neutral during World War I raging in Europe. Find out what finally made U.S. entrance into the war inevitable.
Other
Uboat.net: Imperial German Majesty's Uboats in Wwi
A Brief article describing the U-boat crisis of 1916 and the declaration of unrestricted submarine warfare
Read Works
Read Works: World War I the Sinking of the Lusitania and Submarine Warfare
[Free Registration/Login Required] An informational text about the sinking of the submarine the Lusitania during World War I. A question sheet is available to help students build skills in reading comprehension.
BBC
Bbc History: World Wars: World War One: The First Battle of the Atlantic
Historian Gary Sheffield recounts the events, strategies, and outcomes of the Battle for the Atlantic, in a six-part illustrated article.
BBC
Bbc History: World Wars: World War Two: Battle for the Atlantic
Article reviews the principal elements associated with Britain's lengthy struggle with Germany for control of the Atlantic during the Second World War.
Mariners' Museum and Park
Mariners' Museum: Battle of the Atlantic: A Virtual Exhibit
An online exhibit detailing Word War II's Battle of the Atlantic.
Digital History
Digital History: America at War: The Lusitania
A brief description of the sinking of the Lusitania and why that occurance eventurally broke down American neutrality, and the United States finally entered World War I.
Other
Tincan Sailors: A Description of Us Destroyers and Their Weapons
A detailed site about Destroyers and their role in the war. Photographs, weapons, living conditions. All the information you need on Destroyers
Other
New Hampshire State Library: World War Ii Posters
This site contains various posters the US Government used during World War II to raise nationalism and increase the armed forces.