Bitesize has changed! We're updating subjects as fast as we can. Visit our new site to find Bitesize guides and clips - and tell us what you think!



Historians argue that there are 4 long-term causes of World War One. Watch this video to find out more.

Long-term causes of war

In order to see this content you need to have both Javascript enabled and Flash installed. Visit BBC Webwise for full instructions

Key points

  • Nationalism is the belief that your country is better than others.
  • Imperialism is the desire to conquer countries
  • Militarism is where military matters influence a countries policy, which make them build up their armed forces.
  • Alliances divided Europe into two.
    • 1882 - Germany, Austria-Hungary and Italy formed the Triple Alliance.
    • 1907 - France, Britain and Russia formed the Triple Entente.

All History videos

Back to World War One and Two index

BBC © 2014 The BBC is not responsible for the content of external sites. Read more.

This page is best viewed in an up-to-date web browser with style sheets (CSS) enabled. While you will be able to view the content of this page in your current browser, you will not be able to get the full visual experience. Please consider upgrading your browser software or enabling style sheets (CSS) if you are able to do so.