>>45913
It's army size because the smaller army will always try to run away from a larger one and changing the system away from what it is now will allow them to always succeed in running away, you would have to be much faster than another army to have any hope of catching them.

There is cavalry so you could break it off and send it to hold the fleeing army but it would just get wiped out before you could arrive with the rest. And even if it did work that would still be needless micro managing for something the current system manages fine. I think you are thinking in operational terms when it is not an operational game but a strategic one.

Terrain would not help but also Imperator has better terrain in it.