The main purpose of political action committees is to
e implement government public service announcements.
try to get the public to support political goals or candidates
develop advertisements for government public initiatives.
reelect presidential candidates through advertising campaigns

reelect presidential candidates through advertising campaigns

Explanation:

The political action committees (PAC) is an organization that pools campaign contributions from members and donates those funds to campaigns for or against candidates. The candidates use this money for advertising campaigns. The political action committee emerged out of the labor movement of 1943.

d.he wanted to send diplomats to communist countries.