Read this excerpt from franklin delano roosevelt s fireside chat 19: on the war

Read this excerpt from franklin delano roosevelt's "fireside chat 19: on the war with japan":
and no honest person, today or a thousand years hence, will be able to suppress a sense of indignation and horror at the treachery committed by the military dictators of japan, under the very shadow of the flag of peace borne by their special envoys in our midst.
what do the underlined words in this excerpt most clearly suggest?
a. japan's leader's are extremely clever, because they fooled the united states into thinking they wanted peace.
b. japan's leaders must be disappointed because their special envoys failed to achieve peace.
c. japan's actions before this event provide clear evidence that their leaders wanted peace.
d. japan's actions are especially evil because, at the time of the attack, they were saying they wanted peace.