Neutrality to War
These were the two opposing alliances during WWI
This form of warfare involved fighting from fortified ditches and defined much of WWI
What is Trench Warfare
These weapons, including mustard and chlorine gas, caused devastating injuries and psychological trauma
What are Chemical Weapons
This government organization created propaganda to garner public support for the war
What is the Committee on Public information (CPI)
What is the Treaty that ended WWI?
What is the Treaty of Versailles
What is the name for German submarines
What are U-Boats
This military strategy grouped merchant ships together to protect them from U-boat attacks
What is the Convoy System
This rapid-fire weapon made traditional infantry charges deadly
What is the Machine Gun
These government-issued bonds were sold to American citizens during WWI to finance the war effort, often promoted through patriotic propaganda campaigns
What are Liberty Bonds
This postwar organization aimed to promote peace but was weakened by the U.S. absence
What is the League of Nations
This 1915 sinking of a British passenger ship by a German U-boat
What is the Sinking of the Lusitania
This 1918 offensive was a major push by Allied forces that contributed to the end of WWI
What is the Meuse-Argonne Offensive
These weapons used pressurized fuel to create devastating walls of fire
What are Flame Throwers
This U.S. government agency, established in 1917, coordinated the production of war materials, regulated industries, and standardized goods to support the American war effort during WWI
This speech by President Wilson outlined principles for peace, including self-determination
What are Wilson's Fourteen Points
Germany agreed to this pledge in 1916, promising not to target passenger ships without warning
What is the The Sussex Pledge
This 1917 U.S. law required men aged 21 to 30 to register for the draft, dramatically increasing the size of the American armed forces for WWI
What is the Selective Service Act
This innovation allowed armies to travel through rough terrain and break through trenches
What are Tanks
These two WWI-era laws limited free speech by criminalizing criticism of the U.S. government, military, or war effort, sparking debates about civil liberties during wartime
What is the Espinoage Act and Sedition Act
These U.S. senators rejected ALL aspects of the treaty, fearing it compromised American sovereignty
Who are the Irreconcilables
This intercepted communication encouraged Mexico to ally with Germany, prompting U.S. involvement in the war
What is the Zimmermann Telegram
This African American regiment, nicknamed the "Hellfighters," earned international acclaim for their bravery in combat and was awarded the Croix de Guerre by France during WWI
These naval vessels, used by both sides, could attack enemy ships from beneath the surface
This civil rights leader encouraged African Americans to support the war effort during WWI, believing it would help demonstrate their patriotism and advance racial equality
Who is W.E.B Du Bois
This controversial clause placed full blame for the war on Germany
What is the War-Guilt Clause