A political action committee is a group of people or an organization that works to generate funds and can influence the election or the legislation at a level as high as the federal level. They work in different manners. The also make campaign contributions with the hope of gaining access to legislators. This I in their benefit for the long run.
In essence, they combines together different contributions from the part members and then donates this money for or against a particular election candidate, for ballot initiatives and for legislation. Hence, the political action committee plays a valuable role in shaping the government and can make a major impact in the country.