It Rolls to Stand with a -12. The morale check penalty is -12. X.8.D. Infantry and limbered artillery may move through the ZdI of a carre. In order to assault a carre, the attacker must first enter the defending hex. The attacker does not enter the defending hex.
Disordered units displace first.
Any unit which displaces becomes disordered. 10.1.D. Displacement does not cause automatic disorder. The most recent unit to enter the hex displaces first, then disordered units. A friendly unit may be fired over if the LOS is not blocked. A friendly unit may never be fired over.