A theoretical framework facilitates conceptual organization of material and fruitful expansions of research. Many historians argue that historical analysis is ttherefore done best within a theoretical framework. But the past is too complex for all of its main trends to be captured within a theoretical framework. Ttherefore, __. Which one of the following most logically completes the argument? ['there is no benefit ever to be gained in recommending to historians that they place their work within a theoretical framework', 'the value of theoretical work in extending research has been emphasized by historians who recommend doing historical analysis within a theoretical framework', 'there is no difference between historical analysis that is placed within a theoretical framework and historical analysis that is not', "even the best historical analysis done within a theoretical framework fails to capture all of history's main trends"]