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This video explores some of the factors that made the Roman Empire the most durable state in history.

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Chapters:
0:00 Introduction
1:00 The influence of geography
1:54 Opera
3:09 Geography (cont.)
3:34 Citizenship and social mobility
4:12 The emperor as symbol
5:25 The Roman army
6:05 Shared elite values
6:50 Good luck