Original sentence: Convinced that the Spanish Crown was mistreating the people of Puerto Rico and inspired by the ideals of Betances, joined the pro-independence movement in the island.Ruis was sent by his parents, to study in Spain  first he realized his bachelors degree in Barcelona and then went to study law at the University of Madrid, althou he did not finish that career
Edited sentence: Convinced that the Spanish Crown was mistreating the people of Puerto Rico and inspired by the ideals of Betances,he  joined the pro-independence movement in the island.He then went to study law at the University of Madrid.Ruis was sent by his parents, to study in Spain and earned his bachelors degree in Barcelona