What was the main cause og worldwar1?

The immediate cause of World War I that made the aforementioned items come into play (alliances, imperialism, militarism, and nationalism) was the assassination of Archduke Franz Ferdinand of Austria-Hungary. In June 1914, a Serbian-nationalist terrorist group called the Black Hand sent groups to assassinate the Archduke.

travels along an axon. this triggers a wave of electrical activity that passes from the cell body along the length of the axon to the synapse

agree with wilson that weakening the treaty would threaten world peace.