What is this called when an author or poet refers to something from a piece of literature or some other form of media in his or her writing?

metaphor

cliche

illusion

allusion

Which statement is the best summary of the theme in this passage? people almost always disappoint their family members. working hard and being honest leads to long-lasting rewards. showing strength in a crisis makes problems easier to overcome. unintentional betrayal can lead to severe consequences

What theme of antigone do the above events reflects

Ais a group of individuals of the same that exist in the same place at the same time