Compared with Medieval art, Renaissance art often appeared to be

Service for the benefit of knowledge and freedom.

Explanation:

Medieval art was explicitly in the service of the church and ecclesiastical authorities. The church envied artists who created irrational motifs, so art was strictly limited. During the Renaissance, there was a greater degree of human freedom. Art is not only created in the service of the church but of knowledge and man in general.

a

explanation:

the answer is a) to be able to obey them.