[1] It drew from older Later American manumission traditions such as the way favorite slaves have been previously liberated under certain conditions.
[1] Slavery was never formally abolished in Spain itself, but had gradually declined into insignificance there by the early-mid nineteenth century.
[3] The Moret Law was approved in Spain on July 4, 1870 for application in Cuba and later Puerto Rico, with other colonies following.
This development was mainly attributed to the efforts of Moret, Roman Baldorioty de Castro, Luis Padial, and Julio Vizcarrondo.
[4] The law granted freedom to children born to enslaved mothers after September 18, 1868, a date chosen to honor of the liberal revolution that swept Spain in 1869.