Complex sentence: The nationalist content of such a work was allied to Zuloaga's celebration of folk traditions, however, in Spain, over the centuries, this anti-cosmopolitan nationalist focus had also been used to deport groups such as Jews, Moors, and Gypsies.
Split into simpler sentences: The nationalist content of such a work was allied to Zuloaga's celebration of folk traditions. However, in Spain, over the centuries, this anti-cosmopolitan nationalist focus had also been used to deport groups such as Jews, Moors, and Gypsies.