The media play an important role in shaping the which includes fhe issues on which the publics attention is focused

Even though you didn't share any answers to choose, I have one that will definitely help you :

The media play an important role in shaping the Public Agenda  which includes the issues on which the public’s attention is focused.

Explanation:

special interest groups must step back and let the process work itself out a representative can amend it at several points in the congressional staffers must do homework and report to the floor on what they 've learned

a countries leader should be motivated by the common good of the country.