Through continents congress meeting or with a ring( just kidding) there has to be a peaceful civilized gather up of people who agree
Answer:
Endorphins.
Explanation:
Endorphins are a substance produced by the pituitary gland, whose function is to stabilize the feelings of well-being of the body when performing certain activities, such as those that include physical effort, or even when experiencing pain sensation, where endorphins work as analgesics that slow down the sensation of pain.
They use homologous structures as base of classification
