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.
Aunque no tenemos estadísticas para la guerra durante la Edad Media hasta la era moderna sólo a partir de la historia convencional sabemos - la evidencia ha estado siempre bajo nuestras narices - que ha habido una reducción en las formas de violencia socialmente aceptadas.