Answer:
a. Linkage media
Step-by-step explanation:
Linkage institutions are a part of the American political process that is mostly casual yet important, linking average citizens with their members.
There are four major types of organizations that are linked: media, interest groups, political parties, and elections.
Across today's world, the media is everywhere. Be it TV, papers, magazines and books, the Digital world, social networks, or other outlets, people will find out a lot of the political system.
It's the people who run for office, what their agenda and plans could be, and even the outcome of the election.