The purpose of a(n) is to allow the writer to express a viewpoint that opposes a stated opinion on a topic.

a) anecdote
b) claim
c) counterclaim
d) topic

C) Counterclaim.

Explanation: an argument or claim is a statement assertion that something is true. A counterclaim is a statement or an idea that refutes the claim. An anecdote is a short amusing or interesting story about a real incident or person and a topic is a subject. So from the given options, the one that allows the writer to express a viewpoint that opposes a stated opinion on a topic, is a counterclaim, corresponding to option C.

kennedy creates personal credibility by saying he is more than fit to lead. he talks about the sixty day period that he constructed administration, and says based on that he will be an acceptable leader.

jfk has a great reputation as an american citizen. he fought in wwii, and earned the navy and marine corps medal. he saved several men on his pt-109 patrol torpedo boat after an attack by the japanese navy. he also served in congress for the 11th congressional district for massachusetts, and served three terms in the house of representatives.

explanation:

the eye wink at the hand; yet let that be / which the eye fears, when it is done, to see.