The answer is a. They
are groups who represent certain interest or concerns in society. This can range from education, crime, health,
trade etc. They want to government to
prioritize their concerns and interests.
They do either through meeting with government representatives or some
cases through mass actions. Government
recognizes the impact that interest groups have in politics. If government does nothing to address their
concerns, would either pressure them or simply withdraw their support. These people will then campaign for opponents
of present officials during election period and get them elected since they can
best serve their interest.