500
______ are defined as "Us" - people with whom one shares a common identity, and ______ are defined as "Them" - those perceived as different or apart from the ______.
a. Cool kids, aliens, planet b. Out-group, in-group, out-group
c. Individuals, others, group d. In-group, out-group, in-group
What is
d. In-group, out-group, in-group