I think it does not stand for anything specific
The enactment of the Clean Air Act of 1970 (1970 CAA) resulted in a major shift in the federal government's role in air pollution control. This legislation authorized the development of comprehensive federal and state regulations to limit emissions from both stationary (industrial) sources and mobile sources.
If you work for a government agency that regulates the buying and selling in the country, then the main purpose that you agency is serving would be "<span>A. Distribution of resources," since this would take the place of a more traditional market system. </span>
A political organization is any organization that involves itself in the political process, including political parties, non-governmental organizations, advocacy groups and special interest groups. Political organizations are those engaged in political activities (e.g., lobbying, community organizing, campaign advertising, etc.) aimed at achieving clearly-defined political goals, which typically benefit the interests of their members.
While parties are one type of political organization that may engage in some or all of those activities, they are distinct in that they typically focus on supporting candidates for public office, winning elections and controlling government.