▁ 5 . ▁Population ▁Control : ▁Bond age ▁and ▁War ▁▁ ▁Scott ▁describes ▁early ▁states ▁as ▁population ▁machines . ▁R ul ers ▁were ▁focused ▁on ▁the ▁product ivity ▁and ▁number ▁of ▁" dom estic ated " ▁subjects . ▁The ▁early ▁states ▁had ▁to ▁collect ▁people , ▁sett le ▁them ▁near ▁the ▁center ▁of ▁power , ▁and ▁force ▁them ▁to ▁create ▁a ▁sur plus ▁in ▁excess ▁of ▁their ▁own ▁needs . ▁He ▁also ▁notes ▁that ▁since ▁early ▁states ▁were ▁full ▁of ▁disease , ▁population ▁t ended ▁to ▁fall ▁unless ▁people ▁could ▁be ▁replaced ▁by ▁new ▁slaves . ▁ ▁In ▁early ▁states ▁this ▁population ▁control ▁often ▁took ▁the ▁form ▁of ▁force fully ▁sett ling ▁pe op les ▁on ▁fert ile ▁land , ▁and ▁then ▁prevent ing ▁them ▁from ▁fle eing ▁to ▁avoid ▁bond age ▁and ▁labour . ▁One ▁piece ▁of ▁evidence ▁Scott ▁c ites ▁is ▁the ▁earliest ▁legal ▁codes , ▁stating ▁that ▁they ▁were ▁" filled ▁with ▁such ▁inj unction s " ▁intended ▁to ▁" dis cou rage ▁and ▁pun ish ▁flight ." ▁One ▁code ▁that ▁Scott ▁c ites ▁specifically ▁is ▁the ▁Code ▁of ▁Hamm ur abi . ▁This ▁contains ▁six ▁laws ▁intended ▁to ▁disc ou rage ▁the ▁flight ▁and ▁escape ▁of ▁slaves . ▁ ▁The ▁end ▁product ▁of ▁this ▁system ▁was ▁that ▁the ▁states ▁with ▁the ▁most ▁people ▁were ▁often ▁the ▁most ▁powerful . ▁This ▁created ▁comp elling ▁in cent ives ▁for ▁early ▁states ▁to ▁try ▁and ▁increase ▁their ▁population ▁and ▁prevent ▁the ▁" le ak age " ▁of ▁the ▁population ▁through ▁bond age