What are the main reasons for the decline of Byzantium?

1) There was a penetration of foreign merchants into all spheres of the economic life of Byzantium. Their activity hindered the development of production forces.
2) From the end of the 13th century. she fought incessant wars with her neighbors.
3) There were long and bloody feuds in the 14th century.



One of the components of a person's success in our time is receiving modern high-quality education, mastering the knowledge, skills and abilities necessary for life in society. A person today needs to study almost all his life, mastering everything new and new, acquiring the necessary professional qualities.