Arecurring theme, structure, contrast, or literary device in literature. what is this called?

This is the political, social, cultural, and economic 'time and place' surrounding the creation of a literary text.

What are all of the literally devices in the poem l’envoi by willa cather

Which phrase refers to the contrast between what is expected to happen and what actually does happen? situational ironydramatic ironyverbal ironyconflict and resolution