Prove that in 3-4 centuries the power of the emperors in Rome weakened significantly

The central authority has weakened. The provinces, one after another, made attempts to leave the empire. The soldiers themselves chose and removed the emperors. Famine and epidemics raged on the territory of the empire, riots broke out.

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.