Not completely sure bit I think the answer is D
because this is what I got from Wikipedia: :Independent agencies of the United States federal government are those agencies that exist outside the federal executive departments (those headed by a Cabinetsecretary) and the Executive Office of the President.[1] In a more narrow sense, the term may also be used to describe agencies that, while constitutionally part of the executive branch, are independent of presidential control, usually because the president's power to dismiss the agency head or a member is limited.
Regulatory agency, independentgovernmental commission established by legislative act in order to set standards in a specific field of activity, or operations, in the private sector of the economy and to then enforce those standards. Regulatory agencies function outside executive supervision.
*executive deals with the president
This link should help you with your question
http://www.historynet.com/abolitionist-movement
The answer should be "Dissatisfaction with Athens's growing empire"
Hope this helped
In that way, they can help society and make informed choices. For example, voting is a big part of civic duty, by remaining informed, citizens can make an informed choice about what candidate and what policies they support.