Which inference could be made based on the details in the section "Ancient Persia"

Which statement from chamberlain's speech to parliament did the least to support his cause? a. "no doubt i shall have plenty of critics who will say that i am guilty of facile optimism . ." b. "the house will remember that when i last addressed them i gave them some account of the godesberg memorandum . ." c. "therefore, it was essential that we should quickly reach a conclusion . ." d. "the relief that our escape from this great peril of war has, i think, everywhere been mingled in this country with a profound feeling of sympathy . ."