Original sentence: Using Buddhist doctrine, Nichiren argued the flaws of other Buddhist schools, specifically critiquing the leaders of Buddhist schools who Nichiren saw as having manipuilated Buddhist teachings for the leaders' own gain (see the compilation of Nichiren's exchanges with government leaders and Buddhist practitioners in "The Writings of Nichiren Daishonin" 1999)
Edited sentence: Using Buddhist doctrine, Nichiren argued the flaws of other Buddhist schools, specifically critiquing the leaders of Buddhist schools who Nichiren saw as having manipulated Buddhist teachings for the leaders' own gain (see the compilation of Nichiren's exchanges with government leaders and Buddhist practitioners in "The Writings of Nichiren Daishonin" 1999)