What word means the spreading of information to convince others of an idea

Why does the host answer the guest with brief responses during the party?

Identify the sentence in which the underlined word or words are punctuated incorrectly. a) pam was (well prepared) for the debate. b) she had (read three quarters) of the material more than once. c) she has always been (self assured). d) the winner needs a (two-thirds) majority of the votes.

Imagination. experience. determination. trustworthiness.