Which part of a formal e-mail is optional?

Auden's musée des beaux arts" and williams's "landscape with the fall oficarus" share which common element?

What is one way that “the maori: genealogies and origins in new zealand” contrasts with “the raven and the first men: the beginnings of the haida”? a.the maori myth features courage, but the haida myth does not. b.the maori myth features community, but the haida myth does not. c.the maori myth features the gods, but the haida myth does not. d.the maori myth features deception, but the haida myth does not.

This passage contains repeated allusions to all the following except. a.sailing b.suitors c.hunting d.dreams