Learning from our mistakes teaching history to everyone around the world and not just about things that happen in the past but present time as well.
Answer:
b
Explanation:
do i have to say anything else?
Problems associated with the "urban machine" were that they were undemocratic and were corrupt. They moved the political system to allow candidates to win based upon vote-buying, coercion, and other corrupt methods. They were therefore effective or ineffective depending on the relationship you had with the machine and also whether or not you wanted to see a democratic system or not.
Hagia Sophia was recognized as the greatest architectural achievement of Justinian’s reign.
