The direct cause of WWI was the assassination of Archduke Franz Ferdinand at Sarajevo on 28 June 1914. However historians feel that a number of factors contributed to the rivalry between the Great powers that allowed war on such a wide-scale to break out.
Answer:by allowing unconstitutional laws to be challenged and overturned
Explanation:
Whether reporters should point out in stories when sources are saying things that are demonstrably false
1. The agreement of Defense Alliance which is contained if one country being attacked then the <span>allies must helping.
2. Imperialism which is mean when a country try to colonize another country to take all the natural resources for themself
3.Militarism which is mean the war of weapon.
4. Nasionalism it caused by Slavia nation in Bosnia and Hergezovina don't want to be a part of Austria-Hungaria, but they want to be a part of Serbia, but mostly every countries in Europe were trying to prove their domination and their power
(sorry my english not really good,,hope you can understand)
</span>