11.21 Chapter: The Nine Situations 11.21 < /br> Translation: Make forays in fertile country in order to supply your army with food. < /br> Commentary‘An army marches on it’s stomach’ is a common truism. Fresh food will cheer the troops and help conserve supplies. Taking food in fertile country may also mean that you can allow enough left over for the local population. When passing through places, it does no harm to keep the locals onside.