It's fair to say you're quite a regimented man, often intransigent, but you have a detailed plan, how to keep soldiers engaged, avoiding idleness and rage, on this occasion, it's a river that you'll span. Although the circumstances seem to be all wrong, for you to band all of your men into a throng, and get them building for the foe, wagers of war won't let you go, it might be questioned where allegiances belong. So just imagine you're surprise upon completion, when endeavours undertaken find deletion, and your world cascades and falls, as detonation trips and calls, and you wish instead of wood, you used concretion.