The Rio Branco Law freed the children of slaves in this country before the 1888 Golden Law abolished slavery entirely during the reign of Pedro II.
This nation fought an alliance of provinces in the Cisplatine War over a strip of land called the Banda Oriental. Members of the surviving branch of the Capetian Dynasty escaped to this nation after Napoleon occupied their nation in 1807. The Rio Branco Law freed the children of slaves in this country before the 1888 Golden Law abolished slavery entirely during the reign of Pedro II. Along with Argentina and Uruguay, this country defeated Paraguay in the War of the Triple Alliance. For 10 points, name this South American nation whose official language is Portuguese. 
This nation fought an alliance of provinces in the Cisplatine War over a strip of land called the Banda Oriental.
Brazil