In the last sentence of the first paragraph, the author repeats the word "presumably" in order to A
portray the difficulty of assessing the moral quality of a nation's actions
B
remind the audience that they cannot be sure they understand people's motivations
undermine a view that he will go on to dispute in his argument
D
emphasize the vast power imbalance between those fighting in the described conflicts
E
caution his audience against forgetting the importance of a nation's sphere of influence