Why was the Roman Legionary’s Equipment so good?

Arms & Armor of the Imperial Roman Legionary ( Arms & Armor ) The Ancient Roman legionary’s clothing, arms, armor, and equipment (Top 10 items) mini-documentary #Legionary #documentary #Rome Other videos I have made concerning the Ancient Roman soldier The Late Roman, Early Byzantine Infantryman (Fall of the Roman Empire History) The Byzantine Army, Dark To Golden Age The Ancient Roman Helmet’s evolution explained This video is sponsored by my patrons on Patreon