1.
Germany violated this nation's neutrality Places
2.
Balkan nation that joined the Central Powers during World War I Places
3.
country where much of the Western Front fighting occurred Places
4.
nation that allied with Austria-Hungary and led the Central Powers Places
5.
Allied nation that declared war on Germany after Belgium was invaded Places
6.
river near Paris where a major Allied victory stopped the German advance in 1914 Places
7.
section of territory between the trenches Places
8.
Declining empire that fought alongside Germany and Austria-Hungary in World War I Places
9.
Allied nation that withdrew from the war after the Bolshevik Revolution Places
10.
City where Archduke Franz Ferdinand and his wife Sofie were killed Places
11.
bloodiest battle of World War I Places
12.
nation that entered World War I on the side of the Allies in 1917 Places
13.
this empire became the country of Turkey after the war Places
