Under What Circumstances Would Majoritarian Politics Normally NOT Be Effective

Under what circumstances would majoritarian politics normally NOT be effective?

A) When a political leader feels sharply constrained by what most people want
B) When an issue is sufficiently important to command the attention of most citizens
C) When an issue is too complicated or technical for most citizens to understand
D) When an issue is sufficiently feasible so that what citizens want done can in fact be done
E) All of these choices are correct.