Tensions: Germany - Worried that Russian army was getting bigger, Russia and France were in alliance Germany was surrounded, they wanted an empire like UK, support Austria-Hungary.
Austria-Hungary - wants control over the Balkin States, wants to stop its empire from falling apart
Russia - weak military but getting stronger, would protect Serbia from Austria-Hungary, believed in alliance with Britain and France.
UK - wants to maintain empire, worried Germany is becoming too strong, would protect Belgium, believes the treaty signed with France and Russia does not mean they would have to support them
France - long standing argument with Germany about land, been involved in wars with Germany over land like Alsace-Lorraine, believes in the treaty