8 1 0 ▁and ▁ 1 8 2 5 ▁in ▁local ▁prices . ▁Several ▁govern ors ▁w aged ▁campaign s ▁against ▁the ▁n atives ▁to ▁increase ▁the ▁available ▁lands , ▁from ▁Juan ▁Manuel ▁de ▁Ros as ▁to ▁Jul io ▁Argent ino ▁R oca . ▁ ▁Most ▁poor ▁gau chos ▁joined ▁forces ▁with ▁the ▁most ▁powerful ▁ca ud ill os ▁in ▁the ▁vic inity . ▁As ▁the ▁Federal ist ▁Party , ▁they ▁opposed ▁the ▁policies ▁implemented ▁by ▁Buenos ▁Aires , ▁and ▁w aged ▁the ▁Argent ine ▁Civil ▁Wars . ▁▁ 1 8 1 0 – 1 8 2 9 ▁After ▁Argentina ▁became ▁independent ▁in ▁ 1 8 1 0 , ▁an ▁era ▁in ▁which ▁commerce ▁was ▁controlled ▁by ▁a ▁small ▁group ▁of ▁pen ins ular ▁mer ch ants ▁came ▁to ▁an ▁end . ▁The ▁Primera ▁Jun ta , ▁the ▁first ▁government ▁established ▁after ▁the ▁ 1 8 1 0 ▁May ▁Revolution , ▁under to ok ▁a ▁protection ist ▁policy ▁until ▁their ▁fall ▁from ▁government . ▁ ▁The ▁First ▁Tri um vir ate ▁( 1 8 1 1 – 1 8 1 2 ), ▁influenced ▁by ▁Bernard ino ▁Riv ad avia ▁and ▁Manuel ▁García , ▁instead ▁promoted ▁un rest rict ed ▁trade ▁with ▁Britain . ▁The ▁Second ▁Tri um vir ate ▁( 1 8 1 2 – 1 8 1 4 ) ▁and ▁José ▁Ger vas io ▁Art ig as ▁( who ▁controlled ▁the ▁Liga ▁Federal ▁during ▁the ▁ 1 8 1 5 – 1 8 2 0 ▁period ) ▁sought ▁to ▁restore ▁the ▁initial