[2] The mean democracy scores over the pairs of countries at war are on the low end and consistent with the interactive model of democratic peace.
The collapse of authoritarian institutions during the democratization process has the potential of making transition "fraught and unestable".
[4][5] Ethnic-nationalist conflicts, suppressed during communist rule, resumed once the democratization brought partisan tendencies to the surface.
However, the war lasted for twenty-seven years, with a brief armistice, and a great many side-conflicts occurred; and states changed from democracy to oligarchy and back again.
[8] The democratic Constitution of the Roman Republic, before its collapse in the late 1st century BC, is amply documented; its magistrates (including the Roman Senate, which was composed of current and former magistrates) were elected by universal suffrage by adult (male) citizens; all male citizens were eligible.