Having lost her industrial supremacy,Britain faced a severe challenge from Germany and other newly-arisen imperialist countries for the redivision of the world,which led to the outbreak of the First World War(1914-1918)❖ Having lost her industrial supremacy, Britain faced a severe challenge from Germany and other newly-arisen imperialist countries for the redivision of the world, which led to the outbreak of the First World War (1914-1918)