Answer:
Manuscript
Explanation:
Manuscript type of speech delivery, is when a speaker reads words from a pre-written speech. The speaker reads directly from the script. The U.S secretary is most likely using the manuscript type of speech delivery because it will help the Secretary not to miss any important detail while announcing the terms of an agreement with Russia on the use of chemical weapons.
Manuscript, is basically word for word reading of a written message. There is exact repetition of original words. In this case, there will be no error in the process of delivering the speech by the Secretary excepts in the case of mispronunciation of the words.
