Nything is to be preferred or endured rather than marrying without Affection; ... Which type of persuasive appeal does Jane Austen use in this passage from "On Making an Agreeable Marriage"? emotional logical ethical

I would say Jane Austen implored the girl to marry only for love in a logical way so that if she really truly loved the man and knew that was the case after examining herself and her feelings carefully, then she should feel that it was a good decision to make and carry through with it.