(*)
This polity and Uruguay won the Battle of Caseros in the Platine War. Ernesto Geisel was a later ruler of this polity, which had a Constitution enacted in 1934. One ruler was known as the "father of the poor" for his labor legislation, while the death of Prince Imperial Afonso weakened the desire of another ruler to rule. (*) Getuilo Vargas was a later ruler of this country, which  later saw the Positivists gain power after Isabel proclaimed the unpopular abolition of slavery in the Golden Law. This polity gained independence following Napoleon's invasion of Portugal, and its royal house was of the House of Braganza. For 10 points, name this polity once ruled by Pedro II with cities like Sao Paulo.
This polity and Uruguay won the Battle of Caseros in the Platine War.
{Brazil} [accept {Brasil}]