Which sentence contains an introductory adverb phrase that is incorrectly punctuated?
a. with his trademark firm handshake, my father congratulated me.
b. during the test drive, the car nearly veered off the road.
c. for at least three hours melissa has been singing the same song.
d. at the mountain's peak, the abandoned wooden cabin slowly rotted away.

both the address and the poster use diction to convey their message. diction is defined as a style of writing or speaking based on the types of words chosen in order to send a message. parallelism is when a similar sentence structure is used for several sentences on a text; roosevelt's address doesn't follow that. repetition has to do with repeating a word or sentence in order to emphasize and idea, however neither the poster nor the address use repetion. finally, the address doesn't use images to convey a message.

i think the anti-race spokesman is working to achieve equality between whites and blacks and to encourage blacks to shakespeare's theory