Sit Edexcel A Level History June 2020 - Paper 3: Themes in Breadth with Aspects in Depth 9HI0/37 Option 37.1: The changing nature of warfare, 1859-1991: perception and reality Option 37.2: Germany, 1871-1990: united, divided and reunited under timed conditions. Write your working straight onto the paper and Genie marks it question by question against the mark scheme.