A historical account or biography written from personal knowledge or special sources.
An exclamatory sentence is a sentence you would be likely to "scream" in the real life: it expressed a great emotion, such as anger or surprise. An exclamatory sentence typically ends with an exclamation mark.
Rethorical devices are all those which helps an individual to argue successfully, defending his point of view but also convincing people to agree with his saying. That is why rethorical devices can help a student: he can explain himself better, defend his ideas and even convince others to do what he believes to be the best.
Yes your motive is clear and you used a choice of words.
Good Luck!
