During the reign of Charlemagne, the Frankish Empire was able to reach the peak of its power. However, after his death, the empire is weakened. In 843, the Treaty of Verdun was signed between the heirs, which meant the division of the empire into three parts. We can say that the ambitions and aspirations of the heirs to rule alone became the main reason for the collapse of a large empire, as well as the reason for its decline and weakening.
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.