Materials and Corresponding Society Systems Age Tools Society system Stone Age Stone knife,axe Barbarism Bronze Age Bronze knife,axe, tomahawk Slavery Iron knife,hoe, Iron age Feudalism furrow Internal combustion Big machinery Capitalism engine Highly developed Laser,solar energy, Modern Capitalism society mobile phone, and Socialism Information Age internetAge Tools Society system Stone Age Stone knife, axe Barbarism Bronze Age Bronze knife, axe, tomahawk Slavery Iron age Iron knife, hoe, furrow Feudalism Big machinery Internal combustion engine Capitalism Highly developed society Information Age Laser, solar energy, mobile phone, internet Modern Capitalism and Socialism