2 a The domestic car market showed an growth of 50% for three consecutive years from 2001 to 2003.
b The domestic car market grew by 50% for three consecutive years from 2001 to 2003.​

a. The domestic car market showed an impressive growth of 50 % for three consecutive years from 2001 to 2003.

b. The domestic car market grew impressively by 50% for three consecutive years from 2001 to 2003.​

Explanation:

In the given question, the word to be used in the blanks depends on the structure of the sentence. While an adjective describes a noun, an adverb describes or modifies a verb.

Now, the given sentences will use the same word in their adjective and adverb form. And the pair of words to use in the two sentences are-

a. The domestic car market showed an impressive growth of 50 % for three consecutive years from 2001 to 2003.

b. The domestic car market grew impressively by 50% for three consecutive years from 2001 to 2003.​

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.

the civil rights act was passed on april 9, 1866 by a republican dominated congress. it was passed over president johnson's veto, in an effort to push back against discrimination of african americans.