The Nine Situations in the Art of War

Sun Tzu said, The Art of War recognizes nine varieties of ground. When a chieftain is fighting in his own territory, it is disburse of ground. One of the possession of which imports great advantage to either side is contentious ground. On open ground, do not try to block the enemy's way. On serious ground, gather and plunder,. In difficult ground, keep steadily on the march. On hemmed in ground, resort to stratagem. On desperate ground, fight.