Which statements about northwest coast totem poles, masks, and coppers are true?

choose all answers that are correct.

a.
coppers were signs of wealth.

b.
animal masks were worn by dancers to tell stories.

c.
totem poles show totem animals that have special meaning to a clan.

d.
totem poles have totem animals that have asymmetrical balance.

e.
animal masks have totem animals with realistic shapes and colors.