The other options of the question were A) hagiography. C) fishbone diagram. D) multiple effects web.
The graph uses large amounts of data. It is an example of Cliometrics, a method of studying historical cause and effect.
One of the important tools that historians and researchers have when analyzing economic factors in history is Cliometrics. This method of analysis uses economic models to understand events or incidents in history. Based on mathematics, statistics, and econometrics, Cliometrics gives historians a formal method to analyze history from an economic perspective.