This well-documented study of the Roman army provides a crucial aid to understanding the Roman Empire in economic, social and political terms. Employing numerous examples, Brian Campbell explores the development of the Roman army and the expansion of the Roman Empire from 31 BC-280 AD.

Dealing with issues such as the financial implications of supporting a professional army in war and peace, Brian Campbell explores the wider significance of the army and warfare in Roman life and culture. This superbly researched survey provides readers with an invaluable guide to this important and much neglected subject.