✔ 最佳答案
World War I (1914~1918)
http://en.wikipedia.org/wiki/First_world_war
Causes:
1. The emergence of ultranationalism
2. Super powers battling for colonies
Germany and Italy wanted a piece of the pie, in turn causing a series of battles.
First Moroccan Crisis (1905~1906)
(
http://en.wikipedia.org/wiki/First_Moroccan_Crisis)
Second Moroccan Crisis (1911)
(
http://en.wikipedia.org/wiki/Second_Moroccan_Crisis)
3. Formation of military alliances
To prevent French retaliation, Germany formed the Triple Alliance with Austria-Hungary and Italy in 1882.
(
http://en.wikipedia.org/wiki/Triple_Alliance_%281882%29)
In 1907, France, Russia and Britain signed the Anglo-Russian Entente and the Triple Entente was formed.
(
http://en.wikipedia.org/wiki/Triple_entente)
4. Arms Race
5. Balkan Peninsula
The intevention of super power caused the region to become the "powder keg of Europe".
(
http://en.wikipedia.org/wiki/Powder_Keg_of_Europe)
First Balkan War (1912~1193)
(
http://en.wikipedia.org/wiki/First_Balkan_War)
Second Balkan War (1913)
(
http://en.wikipedia.org/wiki/Second_Balkan_War)
6. Sarajevo Incident
On 28th June, 1914, Archduke Franz Ferdinanda and his wife were assassinated by radical Serbians.
(
http://en.wikipedia.org/wiki/Assassination_of_Archduke_Franz_Ferdinand)