In the German business world to persuade means to inform persuasively. The argumentation guides an audience to its logical conclusion. Selling the conclusion is not necessary. Germans don’t ask the so-called closing question in a direct and frontal way.
In the U.S. business world to persuade means to sell persuasively. Persuasive argumentation leads the audience to a choice. The audience is then asked to make a decision. The American presenter is expected to state the so-called closing question.