What is a persuasive technique in which the speaker appeals to the emotions of the audience.?

It's the technique called Phathos.

 Pathos is the ability to use the feelings of the public to persuade. Persuasion is supported by an emotional speech. Usually speech pathos ignite mental triggers in the head of the audience. Usually, this technique is accurate, emotionally appealing materials tend to have more clicks and audience.

- "despite the fact that portia lives in belmont and has many suitors, bassanio believes that he can win her heart. bassanio plans on overcoming his financial obstacles by borrowing money from antonio to travel to belmont. he then plans on marrying portia and becoming wealthy enough to pay off his debts."

the answer is industry