So, this mod features five new techs: Art of War 1-5 And, if I recall correctly fifteen new units to go with the techs. Also, one new improvement: the trench, which may be built by infantry. Download it at: http://www.civfanatics.net/downloads/civ4/modpacks/ArtOfWar1.0beta.zip And, since its sortta a beta, please PM me with bugs and balancing issues. Oh, and do suggest further improvemnts new units etc... Cheers.