▁Western ▁civil ization . ▁This ▁is ▁due ▁entirely ▁to ▁the ▁Vill as - B ô as ▁brothers ▁and ▁the ▁total ▁dedic ation ▁of ▁their ▁lives ▁to ▁this ▁work ▁over ▁the ▁last ▁ 2 5 ▁years ." ▁ ▁Since ▁ 1 9 7 1 , ▁more ▁ind igen ous ▁par ks ▁and ▁res erves ▁have ▁been ▁created , ▁such ▁as ▁the ▁T um uc uma que ▁National ▁Park ▁( 3 8 , 8 0 0   km ² ) ▁in ▁northern ▁Par á ▁state , ▁but ▁the ▁X ingu ▁park ▁( 2 6 , 4 0 0   km ² ) ▁remains ▁the ▁most ▁important ▁of ▁them . ▁ ▁The ▁anth rop ologist ▁Sh el ton ▁Davis ▁wrote ▁that ▁" The ▁Vill as - B ô as ▁brothers ▁further ▁argued ▁that ▁it ▁was ▁the ▁responsibility ▁of ▁the ▁federal ▁government ▁to ▁provide ▁a ▁secure ▁protect ive ▁buffer , ▁in ▁the ▁form ▁of ▁closed ▁Indian ▁par ks ▁and ▁res erves , ▁between ▁Indians ▁and ▁the ▁front iers ▁of ▁national ▁society . ▁In ▁time , ▁the ▁three ▁brothers ▁believed , ▁Indians ▁would ▁integrate ▁into ▁Brazil ian ▁national ▁society . ▁This ▁process ▁of ▁integration , ▁however , ▁should ▁be ▁a ▁grad ual ▁one ▁and ▁should ▁guarantee ▁the ▁Indians ’ s ▁surv ival , ▁eth nic ▁ident ities ▁and ▁ways ▁of ▁life ." ▁▁ ▁In ▁the ▁for ew ord ▁of ▁the ▁book ▁X ingu : ▁the ▁Indians , ▁Their ▁M yth s ▁the ▁anth rop ologist ▁Kenneth ▁S . ▁Bre cher ▁wrote ▁that ▁ ▁It ▁is ▁now ▁almost ▁