Which of the following is an example of a special interest group?
a. police unions
b. a parent group at a school
c. a student organization on campus
d. penn state university

The correct answer is - a student organisation on campus.

Explanation:

Interest groups form within a certain organisation, institution or a broader community (such as international interest groups) and share a specific interest. Many student organisations can be observed to form on campus, as students seek socializing and promoting what matters to them.

They gather around specific interests, such as language. For example, there can be a Chinese Language Student Society that supports learning of Chinese language. In particular,  by organizing meetings and workshops between native speaking students and those who are learning Chinese language.  

1. state-issued photo ids. provide them for free for those who can't afford them.

2. the system we have seems to be working nearly perfectly. seems like about 31 cases per billion votes cast

3. the national policy for hiring new employees which requires proof of eligibility to work. there are something like 20 types of identification which can be used for this.