ure ▁and ▁food ▁production . ▁There ▁is ▁evidence ▁that ▁the ▁collapse ▁of ▁the ▁previous ▁Old ▁Kingdom ▁may ▁have ▁been ▁due ▁in ▁part ▁to ▁low ▁flo od ▁levels , ▁resulting ▁in ▁fam ine . ▁This ▁tr end ▁appears ▁to ▁have ▁been ▁revers ed ▁during ▁the ▁early ▁years ▁of ▁the ▁Middle ▁Kingdom , ▁with ▁relatively ▁high ▁water ▁levels ▁recorded ▁for ▁much ▁of ▁this ▁era , ▁with ▁an ▁average ▁in und ation ▁of ▁ 1 9 ▁meters ▁above ▁its ▁non - f lo od ▁levels . ▁The ▁years ▁of ▁repeated ▁high ▁in und ation ▁levels ▁correspond ▁to ▁the ▁most ▁prosper ous ▁period ▁of ▁the ▁Middle ▁Kingdom , ▁which ▁occurred ▁during ▁the ▁reign ▁of ▁A men em hat ▁III . ▁This ▁seems ▁to ▁be ▁confirmed ▁in ▁some ▁of ▁the ▁literature ▁of ▁the ▁period , ▁such ▁as ▁in ▁the ▁Inst ru ctions ▁of ▁A men em hat , ▁where ▁the ▁king ▁tells ▁his ▁son ▁how ▁agricult ure ▁prosper ed ▁under ▁his ▁reign . ▁ ▁Art ▁ ▁After ▁the ▁reun ification ▁of ▁Egypt ▁in ▁the ▁Middle ▁Kingdom , ▁the ▁k ings ▁of ▁the ▁Ele vent h ▁and ▁Tw elf th ▁D ynast ies ▁were ▁able ▁to ▁turn ▁their ▁focus ▁back ▁to ▁art . ▁In ▁the ▁Ele vent h ▁D ynast y , ▁the ▁k ings ▁had ▁their ▁monuments ▁made ▁in ▁a ▁style ▁influenced ▁by ▁the ▁M emph ite ▁models ▁of ▁the ▁Fif th ▁and ▁early ▁Six th ▁D ynast y . ▁During ▁this ▁time , ▁the ▁pre - un ification ▁The ban ▁relief ▁style ▁all ▁but ▁disappeared . ▁These