Hostages

Summary
Hostages can be "recruited" in hostile captured cities. When secured away from home, they can provide a cheaper alternative to preventing rebellions than garrisoning combat units.

Tactics
When moved away and properly supplied, hostages will decrease unrest back in their home cities. Like other non-combat units, hostages will rout very quickly when attacked and they will surrender if caught. Surrendered hostages may either be executed or released.

When a hostage is killed, routed or executed, hostility will increase between their native faction and the faction that recruited them. Unlike most units, hostages do not recruit new units when members are killed, and they do not reform in their home city when defeated.