Classic example  Napoleon made a major misstep when he declared war on Russia after a dispute with Tsar Alexander I and launched an invasion of Russia in  with  troops twice the number of the standing Russian army The campaign was a catastrophe Obstinant Russian resistance combined with the bitterly cold Russian winter dealt Napoleon a disastrous defeat from which more than  of his invading force perished   Is this a neutral analysis No Is the analysis of Napoleons campaign necessary here No Leave it to the relevant article  this is a summary of Russias history