Conflicts and hostility both sparked World War I.
Chat with our AI personalities
Hitler expansionism,and the believe that they superior.
secret alliances
There were nations in Europe that competed each other with supplying raw materials and provided markets for manufactured goods.
Americans did not want to get involved in a European war again.
Franz Ferdinand's murder was the trigger to the start of World War I. The assassination brought tensions between the Austrians and the Serbs to a head, eventually leading to war between the two. Because of the alliances in Europe at the time, the war escalated from two nation states to much of Europe fighting.