The main purpose of political action committees is to. a implement government public service announcements b try to get the public to support political goals or candidates c develop advertisements for government public initiatives d real luck presidential candidates through advertising campaigns

B try to get the public to support political goals or candidates

Explanation:  

Political Action Committee (PAC) is known to be the coming together of people to form a group in order to contribute money and donate resources together to support or stand against political candidates interested in campaigning for political offices in the general election. Thus, these groups consist or comprise of labour unions, trade associations, corporate organisations and so on.

answer; /// representative democracy restricting trade,is your correct answer;

true