What topic of a documentary series produced by Ken Burns drew more viewers to PBS than any other program in its history?

Groups in discussions should avoid ________, which is the tendency of groups to go along

unthinkingly with a dominant member and to prematurely dismiss alternative ideas. Fill in the blanks with correct word

__________ speaking is defined by its goal of influencing an audience

a. Informative b. Persuasive c. Evocative d. Demonstrative