Amajor theme present in renaissance art, but not in medieval art, is the role of humanism. the role of the church. the role of agriculture. the role of patrons.

A major theme present in Renaissance art, but not in Medieval art, is the role of humanism.
This is the correct answer simply because there was no Humanism in medieval times - it appeared later, during the era of Renaissance, in the 15th century, when Medieval art was already over. The other options existed both in Renaissance and Medieval art.

Limiting inflation and reducing unemployment