Although Jane and Becca were good friends in high school, in college one joined the young republicans group and the other joined the Democrats in Action group. Now when they get together, they always take extreme positions and argue. This is an example of

The correct answer is - group polarization.

Explanation:

In psychology, group polarization is the tendency of individuals or groups to make decisions and take positions on their group believes that are extreme than the initial inclination.

In this case both Jane and Becca initially friends but after joining the different groups their actions, positions and arguments become extreme which is influenced by the beliefs of the groups.

i think it's the cabinet