Option D, concerned with religious expression, is the right answer.
Explanation:
The art and architecture created during the Middle Ages were unique in its style and from the earlier period. The art created during this period were divided into three different periods and styles known as the Byzantine Art, Romanesque Art, and Gothic Art. The art developed during this period had a religious theme, for instance, in the Byzantine art the theme of the painting was Christ and the Virgin Mary and the gothic art developed out of Romanesque art.
When they act against their common interests and/or threaten the safety of the people without cause. Basically, if they cause unecessary harm to the people of that country or state etc.