The main theme is the fragility of sanity, guilt versus innocence, and the unrelenting passage of time. The fragility of sanity: the narrator's attempt to prove his sanity, his erratic mannerisms while he explains his meticulous plans for killing the old man only prove his madness.
The best answer for this question would actually be:
B. by showing the human side of international politics
<span>In his speech, the Prime Minister had shown in his speech what has happened in the result of the war, and what they can do in order to change the political system to be able to have order.</span>
It is D.receipt. The others are missed spelled
