3. Developments 1905 to 1913
The years 1905 to 1913 saw tensions increasing with a series of "crises" which helped cement the division of Europe into the two alliances of the Triple Entente and the Triple Alliance. In addition the arms race combined with growing nationalist sentiment in European countries further increased tensions.How significant were crises 1905 - 1913?What other developments created tension 1900 to 1913?