Could it be the telegraph?
According to Orlando's persuasive speech, he managed to alter some students' perspectives and boost class participation over a few months because his speech could produce a sleeper effect. This phenomenon in psychology relates to persuasion, as it results in a delayed impact after the audience has heard the message, explaining how Orlando's address influenced the students.
The first one is from Mexico, the second is from the United States, and the last involves impoverished farmers
