1) Weakening of political institutions; decline in the morals of Roman society
2) Great migration of peoples
451 the battle of the Catalaunian fields (the Roman army under and the Ostrogoths under the command of commander Aetius defeat the Huns, who were led by Attila)
455 Rome is captured by a Vandal tribe under the command of King Geyserich (the Vandals create a kingdom in northern Africa)
476, the German commander of the Roman army Odoacer overthrew the last emperor of the Western Roman Empire, Romulus Augustulus (he sent the signs of imperial power to Constantinople)
Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.