What factors limit the influence of public opinion on the policy choices of public officials?
A. a statement of purpose/thesis
B. concrete evidence (examples) to support your argument
C. citations, even if this is the texbook (you do not need extensive source material)
D. use of correct grammar, spelling, and sentence construction
E. correct paper structure and logical argument
F. the length of the essay should be no fewer than 4 paragraphs, ideally about 2 pages in length