What was the nickname of the Brazilian heiress that signed the Lei Aurea?
Lei Áurea: The Lei Áurea (] ; English: Golden Law ), adopted on May 13, 1888, was the law that abolished slavery in Brazil. Lei Áurea:  It was signed by Isabel, Princess Imperial of Brazil (1846–1921), an opponent of slavery, who acted as regent to Emperor Dom Pedro II, who was in Europe.
i don't know