What was the secret code name for the first armored "landships" to make enemies think they were just water containers?
Tanks
This term describes the aggressive buildup of a nation's armed forces and the glorification of war.
What is Militarism?
When did the First Battle of the Marne begin?
September 6, 1914
Who brought the U.S. into World War I by asking Congress to declare war on Germany in April 1917?
U.S. President Woodrow Wilson
What event in June 1914 triggered the start of World War I?
The assassination of Archduke Franz Ferdinand
Before the war, men mostly used pocket watches. What kind of watch became popular because soldiers needed to check the time while holding a rifle?
The Wristwatch
This secret 19th-century system meant that a small conflict could trigger a massive "domino effect" among nations.
What are Alliances?
On what date did the Gallipoli landings occur?
April 25, 1915
Who became the commander of the American Expeditionary Forces in 1917?
General John J. Pershing
What major offensive did Germany launch in March 1918 to try to break Allied lines before U.S. forces fully arrived?
The Spring Offensive also called the Ludendorff Offensive
What famous rain jacket was made for British officers to wear in the muddy ditches of the front lines?
Trench Coats
The "Scramble for Africa" is a prime example of this cause, where nations competed for overseas colonies.
What is Imperialism?
When did the Battle of Verdun start?
February 21, 1916
Who led the U.S. Navy’s major expansion and modernization efforts during World War I?
Secretary of the Navy Josephus Daniels
What date marked the end of World War I with the signing of the Armistice?
November 11, 1918
What life-saving equipment was invented to protect soldiers from poisonous "yellow" clouds on the battlefield?
The Gas Mask
This "ism" fueled the desire of Slavic people in the Balkans to break away from Austro-Hungarian rule.
What is Nationalism?
When did the Battle of Passchendaele (Third Ypres) begin?
July 31, 1917
Who served as the U.S. Food Administration leader in 1917, organizing nationwide conservation efforts?
Herbert Hoover
This was the primary way soldiers fought on the Western Front, involving long ditches dug into the ground for protection.
What did the US Army invent so that pilots in the air could finally talk to people on the ground?
Two-way Radio Wireless
This 1906 British battleship innovation made all existing warships obsolete and supercharged the naval arms race with Germany.
What is the HMS Dreadnought?
On what date did the Second Battle of the Somme begin?
March 21, 1918
Who commanded the first large U.S. combat force to arrive in France in 1917?
Major General William L. Sibert
This was the nickname for the German submarines that sank ships in the Atlantic Ocean.
What are U-boats?