The answer is "c. Romanticism".
Romanticism is an art expressed nostalgia and longing for simpler times before the industrial revolution .
Romanticism is most intently connected with an imaginative, philosophical, religious, and political development of the late eighteenth century and the main portion of the nineteenth. Romanticism was controlled, to some degree, by response against the Enlightenment and eighteenth century logic, it was anything but a "sentiment" of the heart as much as it was a "romance" of the mind.