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  • Roman Power: A Thousand Years of Empire by W. V. Harris
  • K. R. Bradley
W. V. Harris. Roman Power: A Thousand Years of Empire. Cambridge: Cambridge University Press, 2016. Pp. xxi, 357. $49.99. ISBN 978-1-107-15271-7.

A remarkable book from a preeminent ancient historian. Remarkable first for its scope: a history of the rise and fall of Rome's empire across a huge span of more than a thousand years composed with an alarmingly competent command of sources and relevant scholarship that hardly any other contemporary Romanist might emulate. The subject is an exposition of Roman power—a concept minimally (and mercifully) under-theorized—which analyzes the institutional, [End Page 144] structural, ideological, and psychological factors that explain how the Empire came into being, evolved and expanded, and eventually declined and fell—revisionist terminology, note, deliberately deployed: no final "transformation" or "transition" but an actual end: in the west in 476 and in the east in 641.

Remarkable secondly for its methodology. For his explanatory purpose, Harris resists the temptation of comparison between the Roman and other empires in favor of comparisons drawn between different periods of Rome's own history. This allows a strong contrast to emerge between the formidable armies of the middle Republic that made the Mediterranean a Roman lake, and the much weaker forces of the late-imperial age that proved unable to withstand the pressures of constant "barbarian" invasion. Simultaneously, external and internal developments are juxtaposed, each interspersed with suitable stretches of factual narrative, to provide mutually corroborative explications of imperialistic growth and decay. The former is attributed to a multiplicity of familiar factors: Rome's enormous reserves of military manpower, its ruthless commitment to warfare (at all social levels), an aristocratic leadership impelled by competitiveness for military glory, constitutional and strategic innovation, political privilege-sharing with the defeated, civic discipline and solidarity, support of local aristocracies, and popular commitment to Roman patriotism. The gradual erosion of these elements and their replacement by enervation and social disarray accounts for the latter. In the very long longue durée that the exposition involves, two crucial turning points are identified: the accession of Tiberius, which brought a halt, consolidated under Hadrian and Antoninus Pius, to the centuries-old tradition of continuous imperialistic expansion, and Constantine's death, following which Germanic and ultimately Muslim incursions irredeemably proved the inadequacy of Rome's resources and lack of will to sustain the imperial system. In this, two factors notably emphasized by an illustrious predecessor are given particular prominence: the barbarization of the armies and Christian intolerance. The brutality of Roman imperialism is realistically highlighted throughout.

The overall accomplishment is breathtaking, and stimulation is to be found on almost every page. Yet various reservations arise. I find especially controversial Harris's conflation of empire with Roman nationhood; his inability to distinguish what happened under given emperors from initiatives emperors may themselves have introduced; and above all the ubiquitous use of the term "the Romans" of the historical actors involved, no matter what the era or the location concerned. How imperial policy was determined, how a particular emperor controlled events known to belong to his reign, and how Romans imagined their community from epoch to epoch—or indeed who they were—remain problematic issues. The claim, for example, to know "what Hadrian had in mind" (119), and the assertions that Tiberius earlier "initiated all legislation" (166–67) and that later Justinian's "troops are likely to have had only a limited sense of a Roman identity" (257), illustrate the difficulties. On a lesser scale, a description of the Republican soldier is almost novelistic, not historical (44), the reemergence of Vergil and Horace as imperial propagandists is a surprise (63, 104), and massive increases in the size of the late-Republican senate are unexplained (99). Harris is obviously right that no one can master all the relevant bibliography, and I stress again that his coverage is more than lesser mortals could manage. But every informed reader will make mental notes in passing of overlooked items: Gruen and Sherwin-White on Republican expansion, Garnsey on legal privilege [End Page 145] and food shortages, Hannestad on art and imperial...


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