2 things. It must have been centralized because that level of technology requires organization and specialization, so part of the population works in agriculture and the rest is free to research and discover things. The second thing is that it means they were very powerful because these great buildings were not civilian dwellings. The rulers must have had the intimidation to convince the population to pour so much work into construction, often using religion to justify their positions in power.
Answer:
protective?
Explanation: i dont know what your answers could be but i would say whichever one has something to do with protecting the cities that have been used as an example because they were all built to protect. hopefully this is helpful and works for your answers!
The answer to your question is A, most likely.
Yes it is within the past 500 years.
ps. could i please get a brainliest please
