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.

the answer is b. hope this !

the most famous of all the units fighting in cuba, the "rough riders" was the name given to the first u.s. volunteer cavalry under the leadership of theodore roosevelt. roosevelt resigned his position as assistant secretary of the navy in may 1898 to join the volunteer cavalry. the original plan for this unit called for filling it with men from the indian territory, new mexico, arizona, and oklahoma. however, once roosevelt joined the group, it quickly became the place for a mix of troops ranging from ivy league athletes to glee-club singers to texas rangers and indians.