What Caused World War I?

World War I was a result of the economic and political tensions and ambitions of the Great Powers of Europe at the beginning of 20th century. In the period between 1871 and 1914 the war between these countries was avoided only by the help of diplomacy and concessions. However, in 1914 diplomacy could no longer solve the conflicts between the nations.
<Tab/>The rivalry began in 1871 when Prussia (Germany) defeated France in the Franco-Prussian war. Since then France and Germany were constant enemies. …