World War I

3. This side was defending the Gallipoli Peninsula.
5. The Allied forces aimed to control this strait during the Gallipoli campaign.
6. The policy debated in Australia regarding compulsory military service.
7. These flying machines were a new technology used in reconnaissance and combat.
9. This country formed part of ANZAC along with New Zealand.
11. A brutal battle on the Western Front, known for its heavy casualties in 1916.
12. The assassination of Archduke Franz Ferdinand was the immediate cause of WWI in this city.

1. These new armored vehicles could cross difficult terrain and were first used in WWI.
2. Recruitment method used to encourage men to enlist through posters and rallies.
4. One of the MAIN causes of WWI, involves the buildup of military forces.
8. A disease carried by lice that affected soldiers in the trenches.
10. Front: This battlefront was known for its trench warfare, located in France and Belgium.