The correct answer is that the iron support structure was visible
When you build something, the structural points such as pillars are usually not easily discernible to the untrained eye because they fit right there with the remaining walls and things like plaster or bricks. However, his Palace was built out of Glass so the iron supporting structures could easily be seen and it looked great.
C because the president is controlled by the peapol. Hope this helps
B. Living in ethnic enclaves. This can be compared to modern times.
Power is transferred in absolute monarchy by the death or overthrowing of the current leader.