what staments about Northwest Coast totem poles, masks, and coppers are true?

ACoppers were signs of wealth.

BAnimal masks were worn by dancers to tell stories.

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

DTotem poles have totem animals that have asymmetrical balance.

EAnimal masks have totem animals with realistic shapes and colors.

And I have to pick ALL the answers that are correct