Keller achieves her purpose of convincing the audience by using a fact. quotation. rebuttal. statistic.

fact

Explanation:

Convincing an audience about a particular subject requires that the person present facts capable of adequately informing the public about the subject. The facts must be based on evidence, which acts as evidence and gives confidence to the conformation to the group's understanding. An example of evidence is statistical data, which is a reliable way to prove a fact.

hm, switch the relative; nominative and indefinite; objective ? not too bright in the knowledge of the english.

a low four-wheeled open carriage of a kind formerly used in russia.