Based on your third required text, Denying History, please respond to the following in an approx

Based on your third required text, Denying History, please respond to the following in an approx. 5 page paper, double-spaced/12-point font: Based on this book, how do historians "know things" about the past? What are the essential tools they use, and are these tools applicable in other arenas? 

Your paper must have a thesis which tells your reader what you are arguing, and this must come in the introduction. You must support your analysis with specific quotes from the text. When quoting, use parenthetical citations: ie. "blah blah blah blah" (21).