Answer:
triad, stability, out-group
Step-by-step explanation:
Katie, Tara, and Shanice are three African American women who just started college. The three of them make up a triad.
A triad is group of three. Katie, Tara, and Shanice are three friends from college and they always stay in group of three. Thus they form a triad.
Katie and Tara often have friction in their friendship, so Shanice must referee between the two of them and adds stability in the group. Shanice tries to bring calmness and peace in their group.
These three friends are also members of a sorority and compete with a neighboring sorority over who throws the best parties. They see the neighboring sorority as an out-group. Katie, Tara, and Shanice are friends and form a in group. They belong to the sorority group and compete with the other neighboring sorority group which they considers an out group.
Thus the answer is
triad, stability, out-group