He played an instrumental role in the development and passage of the Moret Law which in 1873 abolished slavery in Puerto Rico .
Julio Vizcarrondo Coronado ( December 9 , 1829 -- 1889 ) was a Puerto Rican abolitionist , journalist , politician and religious leader .
Julio Vizcarrondo Coronado played an instrumental role in the development and passage of the Moret Law which in 1873 abolished slavery in Puerto Rican   .
Julio Vizcarrondo Coronado ( December 9 , 1829 -- 1889 ) was a Puerto Rican abolitionist , journalist , politician and religious leader .