In 1851 ​ ​Argentine Confederation-icon​ Buenos Airesball (the boss of the other provinces) wanted to annex Uruguay-icon​​ Uruguayball, but Entre Rios-icon​ ​Corrientes-icon ​Santa Fe (Argentina)-icon some provinces betrayed him and with the help of The ​Brazilian Empire-icon​ Brazilian Empire and ​Uruguay-icon​ Uruguay they almost killed ​ ​Argentine Confederation-icon​ Buenos Airesball. The unitaries, liderated by ​Entre Rios-iconEntre Riosball, proceeded to take over the rest of the provinces to create a unified Argentina, but ​Provincia de Buenos Aires-iconBuenos Airesball rejected that and became the ​Estado de Buenos Aires-icon​ State of Buenos Ayres In 1852, the rest of the provinces unified in a  ​Argentine Confederation-icon​​ confederation again.

In 1861 the ​Argentine Confederation-icon​​​ Argentine Confederation fought against the ​Estado de Buenos Aires-iconState of Buenos Ayres and got defeated after ​Entre Rios-iconEntre Rios betrayed her, but, somehow, ​Estado de Buenos Aires-icon Buenos Ayres ended up being annexed by the ​Argentine Confederation-icon​ confederation, becoming the modern day ​Argentina-icon​ Argentina. ​Provincia de Buenos Aires-icon​ Buenos Airesball started another civil war making the rest of the provinces into unitario.

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