This is a demo for the Nations mod, it introduces Poland.
This Demo You are about to download adds Polish soldiers to Men of War. The Demo includes 3 maps with 2 having a simple mission. A forrest road and a city, the third map is a not fully accurate Warsaw map.
The readme file in the zip has all the information that you need.
*the texture files have been converted to dds format it should solve the texture errors for the items*