A political action committee (PAC) is BEST defined as?

You can best describe a PAC as an organization that gathers and pools donations and contributions from their members in order to fund a campaign or to go against legislations, ballots, or a candidate. An example would be SarahPAC, a PAC founded after Sarah Palin resigned as Governor of Alaska and it’s purpose was to endorse candidates for various positions in office and then assist them in local chapters.

B.a pop up at ion changes in response to a change in the environment.