Argumentation or evidence you refer to must be based on scientific data and socially - historical practices; while, convictions may be based on prejudice, ignorance of people in the economy and politics, evidentiary visibility. (custom-essay-writing-service.org)
Degradation of the Representative System into a Bi-party System (the blue against the red, or the right vs the left, etc), and this happens cause the rational ignorance of the people, many people have a political conviction that is suppressed by the parties alliances. (politics.stackexchange.com)