When fighting industrial age wars, I like to build fort cities in CxC placement right up to the enemy borders and have my large army of workers rail the tiles around them. I then send my artillery to red-line enemy units and cavalry to finish off defenders and raze the enemy cities. I hate fighting wars before the industrial age because my units usually die against defenders and my armies suffer huge casualties. Do you have any tactics that you find useful for ancient and middle age wars? The only tactics that I have is: build a huge stack of swordsmen/knights and charge towards the enemy core destroying all cities in my path. Also, I have read many posts on these forums that say that catapults and cannons are useless because they miss a lot. Would it be worth it to build an army with combined arms instead of a stack with only one kind of unit in it before the industrial age?