Original sentence: The spark that lit the fire was the result of a very convincing, though untrue, rumour about a British blunder in using new cartridges for the Pattern 1853 Enfield rifle that were greased with animal fat, rumoured to now be a combination of pig-fat and cow-fat
Edited sentence: As usual the English tried to trivialize the causes by this stupid excuse.British propaganda states that the spark that lit the fire was the result of a very convincing, though untrue, rumour about a British blunder in using new cartridges for the Pattern 1853 Enfield rifle that were greased with animal fat, rumoured to now be a combination of pig-fat and cow-fat.British was adept at divide and conquer, they  used Indians to rule India, but treated the indians as inferior human beings.Contrary to this ridiculous propaganda, the real cause of the rebellion was the mistreatment of Indians by the British, who even until the end of the second world war had signs stating no "Indians or Dogs allowed".However, the British rule only lasted less than one hundred years, much less than any large empire in history.The British Raj went downhill from the time the British decided to move the Headquarters of British India to New Delhi, in fact the total colonial time was less than 100 years from total rule over India until the British were kicked out, contrary to the speach by King George to stay in India for a thousand years made in 1938.The humilation of Indians was the root cause of the rebellion