The movement from rural to urban areas
Answer:
European nations cooperated to simplify commercial interactions among themselves.
Explanation:
<span>The Hagia Sophia demonstrated the blending of the Byzantine Empire with the old Roman Empire through its architecture. More specifically, the bell-shaped roof at the top of the church was a nod to Roman architecture. Additionally, the many columns and arches built in the church are also typical of Roman architecture, displaying another mix between the two. </span>
The main concern was taxation without representation, and individual rights.