The author uses martha as a recurring motif in "the things they carried" in order to do what.

1.the hosts on two opposing mountains stood,  

2.thick as the foliage of the waving wood;  

3.between them an extensive valley lay,  

4.o'er which the gleaming armour pour'd the day,  

5.when from the camp of the philistine foes,

6. dreadful to view, a mighty warrior rose; in the dire deeds of bleeding battle skill'd,

if you could vote brainliest that would be absolutely phenomenal. : )

i believe the answer(s) would be all but external conflicts.

i would believe it would be b., the author wants to draw the reader deeper into the experience