The first cause of World War One was on June 28, 1914. A Serbian shot and killed Archduke Franz Ferdinand, the heir to Austria-Hungary's throne and his wife. The guy was in a group called the Black Hand. Austria Hungary wanted Serbia to be punished for whoever was involved in the assassination. When Serbia dissagreed, Austria Hungary declared war on Serbia. Serbia is an ally of the Allied Powers, and the Allied Powers declared war on Austria Hungary. The asassination let off a spark accoridng to the essay handout and Document B.
The second underlying cause was Militarism. Britain is surrounded by water and had its own land, naval ships and its territory of waters. Since people in Germany and Austria Hungary knew they were losing, they decided to declare war on Britain. According to document Document E you can see how Great Britian has the most control because its the head of the "Octupus".
The third underlying cause of World War One was Imperialism. Great Britain and France held control of their economies through their control and trade with foreign colonies. Germany and Austria Hungary had very few foreign