How does Roger Fenton use visual composition in valley of the shadow of death to depict the loss of war

A cannonball in a baron landscape, celebrate the glory of battle
B cannonball are a reminder of a victorious battle
C cannibals in the baron, landscape, or a symbol of war
D cannonball in a baron, landscape hint at the missing dead

C cannonballs in the barren landscape are a symbol of war.