In response to the triple alliance, France and Britain signed an entente cordiale, which meant they would protect eachother in case of war. This agreement celebrated its centenery this week. In 1907 Russia, also concerned about growing German navy joined, so that Germany would have to face a war on two fronts should it attack either. This was known as the triple entente. Separtly, Russia promised to defend Serbia from the Triple alliance.
When Archduke Ferdinand of Austria was assassinated in 1914 Serbia, Austria-Hungary Declared a state of War on Serbia.
Because of this, Russia, Britain and France declared war on Austria-Hungary, and Germany and Italy declared war on Russia. Britain and France declared war on Italy and Germany and thus created
the massive conflict known as
WORLD WAR I