These among the royal families of Europe had created connections between King George V, Kaiser Wilhelm II, Czar Nicholas II, and other monarchs.
What are marriages?
German violation of Belgian neutrality brought this country into the war.
What is Great Britain?
The total number of dead from the war as cited in Death of Glory.
What is 22 million?
Seeking greater access to oil, British officer Laurence of Arabia successfully urged Arab princes to rebel against this Central Power.
What is the Ottoman Empire?
Czar Nicholas II's abdication ended this 300 year old dynasty.
What is the Romanov dynasty?
War in this Southeastern Europe region left the European powers angry and eager for revenge.
What are the Balkans?
Paris was saved when over a thousand of these were used to move fresh troops to the front.
What are taxicabs?
Trenches stretched from this neutral country to this sea passage (name both), a distance of over 400 miles.
What are Switzerland and the English Channel?
The British naval blockade reduced Germany to near starvation; Germany retaliated by attacking neutral shipping with these vessels.
What are submarines (or U-boats)?
His provisional government took over from the czar but its choice to continue the war was a fatal mistake.
Who is Kerensky?
This German war plan, prepared years earlier, called for a two front war that included attacking France through neutral Belgium.
What is the Schlieffen plan?
This large but ill-equipped army lost battles at Tannenberg and Masurian Lakes and struggled to be much of a factor after that.
What is the Russian Army?
While sinking this ship did not lead immediately to American involvement in the war, it started the shift of public opinion against the Germans that eventually led the U.S. into the war.
What is the Lusitania?
After taking power, he immediately sought peace on the Eastern Front, which came with the Treaty of Brest-Litovsk.
Who is Lenin?
This mystic priest had tremendous influence over Alexandra; he was the power behind the throne while Nicholas was off at the front.
Who is Rasputin?
This terrorist group seeking Serbian independence was responsible for the assassination of Archduke Franz Ferdinand.
What is the Black Hand?
This empire sought German assurance of support; then it proceeded to reject every Serbian attempt to preserve peace.
What is Austria-Hungary?
Seventy percent of casualties were caused by this weapon type.
What is artillery?
This German foreign minister sent a telegram inviting Mexico to join Germany in war against the then-neutral United States, suggesting that Mexico could take back Arizona, New Mexico, and Texas.
Who is Zimmermann?
Once in power, the communists used this to carry out the Red Terror and destroy all opposition.
What is the Chaka or the secret police?
This was a regular practice in early 20th Century Europe; it doubled the size of the armies and increased the power and influence of military leaders.
What is conscription (the draft)?
German atrocities included executing innocent boys and old men and burning the library at Louvain in this country.
What is Belgium?
These airships dropped bombs on cities far removed from the battlefront.
What are Zeppelins?
British war planners sent troops from Australia and New Zealand on a disastrously unsuccessful attempt to capture the Dardanelles through an amphibious assault on this peninsula.
What is Gallipoli?
These councils of workers and soldiers consisted largely of socialists, but the Bolsheviks used them to undermine the provisional government.
What are soviets?