How might understanding geography, specifically landforms and bodies of water, be useful to a general who is strategizing a battle?

a. understanding the physical features of an area would the general determine the size, location, and skill of the enemy forces.
b. understanding the physical features of an area would the general plan a attack route that would provide the most cover and the easiest path.
c. understanding the geography of a region would give the general insight into the enemy forces' military capabilities.
d. understanding the geography of a region would provide the general with valuable information regarding the location of the enemy troops.