The most immediate cause of WWI was the assassination of Archduke Franz Ferdinand, an attack considered a terroristic threat against the country. Ferdinand was assassinated by a Serbian group called the Black Hand and caused the Austria-Hungary government to blame and declare war on Serbia, believing the Serbians were assisting terrorists of Bosnia. After Serbia rejected the government demands of Austria-Hungary, war was then declared.
Another known cause of WWI was the web of alliances generating imperialism. The formation of major alliances, known as the Triple Entente and the Triple Alliance, caused more of a demand to gain control of surrounding colonies, raw materials, and power.
Another known cause of WWI was the web of alliances generating imperialism. The formation of major alliances, known as the Triple Entente and the Triple Alliance, caused more of a demand to gain control of surrounding colonies, raw materials, and power.