Original sentence: After entering Moscow, the Grande Armée, unhappy with military conditions and no sign of victory, began looting what little remained within Moscow, although most items had to be abandoned during the long retreat that followed.Before leaving Moscow, Napoleon gave orders to have the Kremlin and all public buildings either blown up or set on fire.French historians assume that the fires were due to Russian sabotage
Edited sentence: Additionally, the Grande Armée, unhappy with military conditions and no sign of victory, began looting what little remained within Moscow; however during the long retreat most items had to be abandoned.As the bulk of the French army moved into the city a struggle began in which each man foraged and fought only for himself.Before he himself left the city he ordered Police Superintendent Voronenko to set fire not just to supplies, but to everything he could.Even before he was informed by Kutuzov, the city's Russian Governor Fyodor Rostopchin made preparations for anything that might have been of any use to the French army - food stores, granaries, warehouses and cloth stores - to be torched.It is assumed that the fires were due to Russian sabotage.Subsequently, before leaving Moscow, Napoleon gave orders to have the Kremlin and all public buildings burnt.This led to the loss of contact between officers and their men, collapsing into total chaos.While this contributed to the fire it was not the main cause