Complex sentence: After Marshal Campos had failed to pacify the Cuban rebellion, the Conservative government of Antonio Cánovas del Castillo sent out Weyler, and this selection met the approval of most Spaniards, who thought him the proper man to crush the rebellion.
Split into simpler sentences: After Marshal Campos had failed to pacify the Cuban rebellion, the Conservative government of Antonio Cánovas del Castillo sent out Weyler. This selection met the approval of most Spaniards, who thought him the proper man to crush the rebellion.