Which is an example of the effect that characters' culture has on the story?

bombur was always looking for food, as all dwarves do, which caused the party to walk into danger.

gandalf boasts to bilbo about his diamond waistcoat. bragging is a trait common to wizards.

the dwarvish love of gold caused thorin to make unwise decisions about the treasure under the mountain.

dwarves are known for making compromises, as when bilbo and thorin become friends again.