Original sentence: The term is derived from the Nolan chart which adds an extra dimension to the traditional left-right political line; that line groups Stalin, Pol Pot and Saddam Hussein together with Nelson Mandela and Mahatma Gandhi on the grounds that they all publicly committed to a state controlled economy
Edited sentence: The term is derived from the Nolan chart which adds an extra dimension to the traditional left-right political line; that line inadequately groups Stalin, Pol Pot and Saddam Hussein together with Nelson Mandela and Mahatma Gandhi on the grounds that they all publicly committed to a state controlled economy