Activate your prior knowledge and describe how a literary device can support a theme in a text.

Explanation:

Literary devices are techniques that writers use to express their ideas and enhance their writing. Literary devices highlight important concepts in a text, strengthen the narrative, and help readers connect to the characters and themes.

Even setting can tie into theme through the way it affects atmosphere and meaning. ... Themes are the framework of stories – a literary device that shouldn't be forgotten. They add meaning to your work, draw your reader in and pull everything together as a whole.

this is the sentence that best shows that fast food restaurants are designed for using unskilled labor. 

i have a basic answer but if you want a more in depth