Complex sentence: In the middle of the 18th century, Europe began to move toward a new style in architecture, literature, and the arts, generally known as Classicism, which sought to emulate the ideals of Classical antiquity and especially those of Classical Greece.
Split into simpler sentences: In the middle of the 18th century, Europe began to move toward a new style in architecture, literature, and the arts, generally known as Classicism. This style sought to emulate the ideals of Classical antiquity and especially those of Classical Greece.