Although we don't have statistics for warfare throughout the Middle Ages to modern times, we know just from conventional history -- the evidence was under our nose all along that there has been a reduction in socially sanctioned forms of violence.
中世から現代に至る期間の 戦争の統計はありませんが 歴史をたどれば 社会的に 容認された暴力が減少してきたのは はっきりとしています