Final answer:
The example of persuasive speaking is 'a developer urging the city council to build a new convention center.' Persuasive speaking is used to influence audience behavior and attitudes, often seen in political campaigns, legal arguments, and advocacy for social changes. The correct answer is option C. a developer urging the city council to build a new convention center.
Step-by-step explanation:
The instance of persuasive speaking from the given options is 'a developer urging the city council to build a new convention center.' Persuasive speaking aims to influence the audience's beliefs, behaviors, or attitudes. Examples of persuasive speaking can be found in various contexts, including political speeches, legal arguments, and social movements. Leaders and public figures such as U.S. Presidents have used persuasive speaking to unite the country in times of national emergency, with Presidential speeches often serving to rally the population and may lead to heightened approval ratings for the President in the aftermath.
President Franklin D. Roosevelt's Pearl Harbor speech is an example of a speech that covered multiple purposes; it provided information but also aimed to persuade Congress to declare war against Japan. Campaign speeches by political candidates, arguments presented by lawyers, and advocacy by social leaders like suffragists all utilize rhetoric to persuade others. Awareness of these rhetorical strategies is essential, as audiences can be influenced consciously or unconsciously by the persuasive elements of speech.