What mark of punctuation is most closely associated with interjections

Interjections (exclamatory sentences) usually end in an exclamation point. (  )
Hello! Be quiet! Ouch! etc.

Influences: - Her father's teachings - The development of her personal sense of justice from observing the racist community around her. - The court trial she witnessed. - Her final understanding of Ms. Caroline - The event which she almost died, and her brother was injured; and the death of Mr Gilmer How she will become: She will become a person who is aware of the injustices of the world, and holds a strong sense of justice. Examples? Well, i just listed them in influences.