Protection and Empire: A Global History

For five centuries protection has provided a basic currency for organising relations between polities. Protection underpinned sprawling tributary systems, permeated networks of long-distance trade, reinforced claims of royal authority in distant colonies and structured treaties. Empires made routine use of protection as they extended their influence, projecting authority over old and new subjects, forcing weaker parties to pay them for safe conduct and, sometimes, paying for it themselves. ...