Complex sentence: The visual artist Félicien Rops's body of work and Joris-Karl Huysmans's novel "Against Nature" (1884) are considered the prime examples of the decadent movement it first flourished in France and then spread throughout Europe and to the United States.
Split into simpler sentences: The visual artist Félicien Rops's body of work and Joris-Karl Huysmans's novel "Against Nature" (1884) are considered the prime examples of the decadent movement. It first flourished in France and then spread throughout Europe and to the United States.