They create an atmosphere of camaraderie, friendship and family. Cults often use the same methods.
They play music or offer artists that will stimulate the “good” chemicals in the participant’s minds.
Play with the lighting and backdrop to induce a receptive mood.
Use speakers that are well know that can enhance a feeling of authenticity.
Speakers present speeches that are more often than not written by professional speech writing authors.
The power of words is used to convince voters about whatever the speaker is selling.