Answer:
- Problems during succession
- Corrupt Government
- War with another empires.
Step-by-step explanation:
- Problems during succession
Most Kings have more than one sons. In order to prevent civil war, the Kings often divided the empire into smaller territory and give them to several successors. This made the empire continuously became smaller and weaker.
- Corrupt Government
Laws that protect human rights did not exist during the classical Era. Many high ranking government officials completely abusing their power regardless of the suffering that experienced by the people.
- War with another empires.
During that time, different empires continuously engaged in battle to strengthen their supremacy over their region. Empires who lost the war will be absorbed to the winners' reign and lost their influence.