Answer:
An example of a common theme is love conquers all.
Step-by-step explanation:
Love conquers all is a very constant theme in literature, we can see it in most of the romantic stories, unless they end in tragedy, the idea of love conquers all always leads the resolution to a happy ending, and normally give the readers a feeling of satisfaction through the achievement of the character's goal, this is not only in reference to romantic love, it refers to all kinds of love.