Answer;
Celebrating individual freedoms.
It is a characteristic that most likely grew out of the same ideas that influenced the French and Americans Revolutions.
The characteristics of Romantic literature include a focus on the writer or narrator's emotions and inner world; celebration of nature, beauty, and imagination; rejection of industrialization, organized religion, rationalism, and social convention; idealization of women, children, and rural life; etc.
Romanticism was influential in shaping modern view of art, literature, and music.