As an example of the changing nature of historiography, chose the phrase that BEST completes the following statement: Historians who wrote during the turn of the twentieth century tended to focus on political and military events and themes, while historians who wrote during the middle- to late-twentieth century tended to focus on A. social and cultural events and themes. B. individual and group events and themes. C. economic and religious events and themes. D. psychological and sociological events and themes.