One predecessor to this document resulted in the Smash the Kilos Riot, where citizens feared the application of the metric system would result in higher taxes.  The Military Club wrote an influential letter to the crown in support of this, although it is currently overshadowed by celebrations of Zumbi throwing himself off a cliff.  As a consequence of it, the Society for the Promition of Immigration was formed and it also gave rise to the so-called "People of May 13th".  Before this document was
One predecessor to this document resulted in the Smash the Kilos Riot, where citizens feared the application of the metric system would result in higher taxes.  The Military Club wrote an influential letter to the crown in support of this, although it is currently overshadowed by celebrations of Zumbi throwing himself off a cliff.  As a consequence of it, the Society for the Promition of Immigration was formed and it also gave rise to the so-called "People of May 13th".  Before this document was signed, an act named for Sexagenarians was approved by a Senate led by Baron Cotegipe.  Preceded by the Sariva-Cotegipe Law and the Law of the ? Free Womb--the latter of which was also known as the Rio Branco Law and which granted liberties to children over the age of 21--it was signed by Isabel I while serving as regent for her father, still in Europe.  For 10 points, name this legislation that freed the Brazilian slaves.
One predecessor to this document resulted in the Smash the Kilos Riot, where citizens feared the application of the metric system would result in higher taxes.  
{Golden} Law [or {Lei Aurea}]