How does geography impact history? how do the physical and human features of an area impact the events that happen there?

When you think about it, the geography of a location has a very important effect on history. The way how geography can affect history for example is through battles. If there was an army which had good archers and they were on a hill, they would obviously want to position their troops there in order to gain a good vantage point over their enemies and rain arrows down on them. This is one example how a hill could decide where a battle was fought. 

Ithink the answer is b