"The update includes over a dozen fixes, and three rule changes: one
to prevent damaged units being sent to border states, an improvement
in scouting rules and levels, and a change to make smaller cavalry
raids less destructive"
More info :
http://www.matrixgames.com/products/357/details/Gary.Grigsby%27s.War.Between.The.States
Greetz,
Eddy Sterckx
Brett