What started WW 1?

Related questions

1. Who decided ww1 end?
2. What side do I wear my father's medals?
3. Do you wear military medals to a funeral?
4. Why did the first world war start in 1914?
5. When did ww1 start and why?
6. Why did Gavrilo Princip kill Ferdinand?
7. Can I wear my father's medals?
8. How much did Germany pay after ww1?
9. Why did Gavrilo Princip assassinate Franz Ferdinand?
10. Why did Serbia kill the Archduke?

Tags

1. #imperialism
2. #militarism
3. #cause
4. #hungary
5. #austria
6. #items
7. #nationalism
8. #world
9. #immediate
10. #franz
11. #assassination
12. #alliances
13. #ferdinand
14. #archduke
15. #aforementioned