Complex sentence: From the 18th century onwards, the Bourbon kings and the government tried to establish a more centralized regime; leading figures of the Spanish Enlightenment advocated for the building of a Spanish nation beyond the internal territorial boundaries.
Split into simpler sentences: From the 18th century onwards, the Bourbon kings and the government tried to establish a more centralized regime. Leading figures of the Spanish Enlightenment advocated for the building of a Spanish nation beyond the internal territorial boundaries.