 He further argues that during the July crisis Sazanov must have known that Russia’s partial mobilisation would inevitably lead to general mobilisation and likely war.Moreover he highlights that Sazanov deliberately lied to the British about Russia’s mobilisation, rendering the British unable to restrain their entente partner through ignorance of the advanced state of their military preparations.Margaret McMillan, in her book, The War That Ended Peace puts the blame for the start of the First World War on the decision making of a small group of people Mainly, she puts the bad decision making on the leaders of Russia, Germany and Austria-Hungary.