Democratic societies in which there is widespread discontent more often blame their politicians than they do other powerful figures who are at least as responsible for those societies’ woes.
Facts
causal diff-maker (this is because)
ppl feel they have more ppl more often power over politicians than >> blame politicians over other powerful figures than other powerful figs
Evaluate
When we see this Proposition / Generalization flavor of Most Supported, it almost always deals with a Causal Difference-Maker or some Pivot-Tension.
The causal connector "this is because" tells us we're dealing with causality.
Goal
Let's look for the most provable answer. It will presumably be reinforcing the causal connection that / .