We know this thanks to archaeologists who excavated many places and discovered that many early civilizations gathered around large rivers where they could develop agriculture. This was seen in places such as Mesopotamia, India, China, Egypt, etc.
Answer:
well they were called the river civilization do to the fact that there were rivers that gave them fresh water. they were also called the river civilizations because rivers help to create good farmland so because there were by the water they had better crops and back then the better the crop the more you would get when you trade so they were called the river civilization do to the fact that they used the revisers near by as there way of life
Explanation:
sorry if im late and tell me if im wrong also i did not know if you needed more then one paragraph so i did one
The correct answer to this open question is the following.
Unfortunately, you forgot to specify the name of the empires including in your question. Who they were?
However, trying to help you, we can comment on the case of the way China was affected and entered into a crisis in his final years as an empire.
Emperor Qianlong had rejected England's petition to lose its heavy restrictions on trade in 1793. However, European powers reacted and put pressure on the Chinese Empire and by 1912, the Chinese Empire had collapsed.
The reasons that accelerated this collapse were that China could not increase and modernize its industry. At the same time, the population dramatically increased to 430 million people by 1853. This factor put so much pressure on the Empire that suffered from the creation of jobs, generating poverty never before seen.
The once-successful Chinese bureaucracy could not maintain the growth rhythm of the increase of population and became very inefficient. The centralized power of the Emperor lost its presence in the far-away provinces and peasants and poor people started rebellions.