What literary device is the phrase "sword-feast"?

Explain the difference between do vs does like: do something do this does something do this

The lines "original! we're all as like each other as those dolls cut out of the same folded paper. we're like patterns stencilled on a wall. can't you and i strike out for ourselves, may? " reflect which of the recurring themes of 20th and 21st century american literature?

Nos tuvimos que separar porque nos . a. recién casados b. llevabamos muy mal c. amistad