The word is used for the Iconoclastic Controversy that shook the Byzantine Empire for more than 100 years. Open hostility toward religious representations began in 726 when Emperor Leo III publicly took a position against icons; this resulted in their removal from churches and their destruction.
Answer: I'm pretty sure it's A, but don't quote me on that, sorry.
Explanation:
elaboration of hunting tools, stone tools and the most important is the discovery of fire