Answer: more likely to behave according to the regulation or conform
Explanation: Collectivistic culture is the culture that is based on the group values and ethics so that harmony can be maintained . The behavior showed by the Diego is based collectivistic culture thus,he will behave with regulation and law as compared with Billy.
The nature of Billy includes individualistic culture so he will focus on the individualism and independency. Thus, it can believed that Billy will behave less conform manner.