Running commericials, sending out mailings, and organizing protests are all methods used by interest groups primarily to influence .
A. Public opinion
B. The government
C. Legislation
D. Election results

I think It is A the public opinion.

Explanation:

All of the methods of communication are sent directly to the people and public.

china unilaterally claims the entire south china sea as sovereign territory, then builds artificial islands to bolster its claim. it suddenly activates an air defense identification zone over the east china sea, and threatens to down any aircraft that does not report its position. it builds roads into indian territory, then redraws the maps to show that it is actually chinese territory. the people's republic under president xi jinping is quickly becoming the bully of asia.

the main objectives of the progressive movement were eliminating problems caused by industrialization, urbanization, immigration, and political corruption.