The details are missing to assess exactly what the situation is. This is what I understand happened.
The CSA is in Spotylvania (Fredericksburg region) with one or more stacks.
An Union army stack (activated; offensive posture) and 2 corp (inactivated; defensive posture) enter the region, but no combat occurs.
[INDENT]One thing you mustn't forget, is that when a stack of regular units (non-raiders, non-cavalry) in defensive posture enters a region in which they have <95% MC they automatically go to offensive posture. This does not lessen the up to 35% penalty for being inactivated.[/INDENT]
There are a number of reasons why the Union corp did not initiate combat.
- They might have lost too much cohesion; there should be a message stating that because of low cohesion they refused to attack.
- The might have arrived too late in the turn for combat to occur.
- Because only the corp can attack and they are -35% in calculated strength because of being inactivated, they might have tried to avoid combat, but not have had time to leave the region (the also have 35% lower movement).
The next turn the Union stacks have not change their activated/inactivated states. The Union army stack remains in offensive posture.
[INDENT]Here, as Lodilefty has stated, the Union army stack cannot initiate combat, because there are other Union stacks in the region.[/INDENT]
You must also consider that the CS force(s) are on avoid combat and might have superior cavalry, which will help avoid combat. Also weather can play a big role in whether the forces find each other or opt to go into battle.
It's an odd situation with which I have little experience, because the Union force is not one that I would send into combat at all. Even a small highly motivated defender might manage to smash-up such a large unprepared force.
The situation is now that you have the wolf by his ears. If you let go he might lunge at you. If you try to hold on he might break free, or worse, have some friends come to his assistance.
Being attacked in a region where you have low MC, little entrenchment, low supply (you can't get much if he controls the region), little movement (because most of your forces are inactivated (this means very poor battle performance because of frontage)) and probably poor leadership (otherwise your corp would be activated) spells for bad news.