This policy was supported at the Council of Hieria, which prompted the Syrian
 monk John of Damascus to attack it.
The man who implemented this policy defended it by claiming a recent eruption of the island of Thera
 showed God's wrath. Artabasdus seized power to end this policy, but was overthrown and blinded when
 Constantine retook control. This policy was supported at the Council of Hieria, which prompted the Syrian
 monk John of Damascus to attack it. It was partially implemented to curtail the influence of Germanus, and
 it was defended by Empress Irene. It began when a cross was placed over the Chalke Gate at
 Constantinople. For 10 points, name this policy implemented by Leo III, in which pictures of saints were
 destroyed.
The man who implemented this policy defended it by claiming a recent eruption of the island of Thera
 showed God's wrath.
{iconoclasm}