Original sentence: Historians have since estimated the dead to number between 117,000 and 500,000, out of a population of around 800,000, while others have disputed the figures.The campaign dragged to an end in March 1796
Edited sentence: There is controversy over estimates of the number of the dead, the highest figure based on anything approaching serious scholarship is 117,000, but it has been claimed that this could be a serious overestimate based on flawed methodology.When the campaign dragged to an end in March 1796