As Minister of Overseas in the government presided by General Prim in 1870, Moret, himself a member of the Spanish Abolitionist Society, pushed for the abolition of slavery and the creation of a constitution for Puerto Rico.
Moret, as Overseas Minister in the government led by General Prim in 1870, played a key role in pushing for the abolition of slavery and drafting a constitution for Puerto Rico, reflecting his commitment to social justice.