Regiment Info Icon
Much like in real combat situations, troops can become fatigued if asked to do too much. It is important to keep an eye on your regiments to keep morale as high as possible, and to monitor how well they will perform on the battlefield. No better way than to use the regiment info icon.
Lets look at the example on the left, which is an enlargement of the regiment info icon that will appear in the information panel
Combat Efficiency and Formation
The red bar over the banner of a regiment is their combat efficiency, and is directly related to how effective they will be in combat. When the bars are full the regiment will inflict 100% of it's possible damage. When the bar is not full, potential damage of any attacks will be reduced. Be aware that regiment formation is directly related to combat efficiency (see below). Make sure to always use the Assault Formation for combat!
Health and Retreating
The green bar indicates the amount of health that a unit has remaining. Don't panic if you lose a unit or two, but make sure to retreat the regiment before they all die. If the regiment is in supply it will heal and be ready to fight again. The "retreat regiment" button is a handy way to retreat regiments one at a time, rather than a whole division because one regiment is in danger.
Morale and the "Breaking Point"
The blue bar under a regiments' banner is the morale bar. Make sure to keep an eye on the tab as this is the regiment's breaking point. The regiment will rout when the morale drops below its breaking point. Routed regiments cannot be controlled and are often killed, so try to retreat them before this occurs.