The romantic movement generally sought to encourage which of the following?
- free expression
- lightness
- tradition
- all of the above

Option A, free Expression, is the right answer.

Explanation:

Romanticism was an aesthetic, musical, literary, and rational movement that began in Europe. This movement emerged in the later phase of the 18th century. This movement was marked by its emphasis on sentiment and individualism. The basic nature of this movement may be proposed from the primary concern of the free expression of the perceptions of the artist.