Updated: Apr 11, 2020
In a battle, situations can be ever changing. If one can master the use of resources (information), there is a higher chances of a victory. Information that can put you in advantage such as knowing your enemies' placement/ organisation, the way of advancement and retreat, country's situation, timing/trends and human interaction (morale) and geography's advantages and disadvantages.
If one can implement with strategies, keep enemies in suspense, calm the masses and unify all as one can lead a successful campaign.