Well if you own abilities to lead protection? What exactly do we mean? And then, as you will be able to arrange the elements of protecting your home, for what would be the most different enemies could not destroy it, or steal from you something. In order to truly learn by doing one or the other thing, of course you need to get, as they say in the "kitchen" and see the whole process from the inside. Well, go ahead, Colonel! Set your towers so that they can reach the road, and could kill any enemy!