Why Have Anthropologists Used the "Dictator Game" and the "Ultimatum

Why have anthropologists used the "dictator game" and the "ultimatum game" in their study of other cultures?

A) These games help anthropologists understand the importance of play in socialization in other cultures.
B) These games help anthropologists understand economic behavior in different cultures.
C) These games allow anthropologists to test whether people in other cultures can understand games from Western societies.
D) These games allow anthropologists to play with their participants and create much better rapport for the study.
E) Anthropologists do not use these games;they are used by other scholars.