First, its grounding of authority in a claim to scientificity and objectivity creates distance between self-regulation and the state that is necessary with liberal democracies.
Marketplace democracies thus share common foreign policy interests in the supremacyand predictabilityof international law over brute power politics, and equal and open global trade over closed trade and imperial preferences.
While democracy is often equated with the republican form of government, the term republic classically has encompassed both democracies and aristocracies.
When the first prototypical liberal democracies were founded, the liberals themselves were viewed as an extreme and rather dangerous fringe group that threatened international peace and stability.
Research on the democratic peace theory further indicates that capitalist democracies rarely make war with one another and have little internal violence.