When you come to a hill or a bank, occupy the sunny side, wi... ss. 9.13, Chapter 9: The Army on the March

Ground which can be abandoned but is hard to re-occupy is ca... ss. 10.4, Chapter 10: Terrain

With regard to NARROW PASSES, if you can occupy them first, ... ss. 10.8, Chapter 10: Terrain

With regard to PRECIPITOUS HEIGHTS, if you are beforehand wi... ss. 10.10, Chapter 10: Terrain