HIS 100 Theme 2: Secondary Source Analysis WorksheetPrompt: Fill in each of the fields below using information from a secondary source of your choice. Be sure to include specific examples (page numbers, etc.).Full APA citation:Walker, J. S. (2005). Recent literature on Truman’s atomic bomb decision: A search for middleground. Diplomatic History, 29(2), 311–334Identify author and describe potential biases.J. Samuel Walker is an American historian and author, known mostly for his research andwriting on the nuclear age, both weaponry and atomic energy. Several of his books haveearned broad-based critical acclaim and advanced novel viewpoints. He was a historyinstructor at the University of Maryland. Despite affiliations with government and the nuclearindustry, he could be biased in favor of the peace movement and parties who are highly criticalof nuclear energy.Identify thesis and arguments.There are many different points of view on whether the use of the Atomic Bomb on Japan wasjustified or not, but it is ultimately left up to personal belief and interpretation.