Which of the following statements is correct in reference to architecture in general?

All of the above

The correct answer is Option 4 - All of the above

Option 1- The architecture reflects the aesthetic ideals prevalent at the time, and variations within those ideals.
Option 2- They also express the vision of those who build them.
Option 3- Rulers everywhere seek to express their power through buildings.
Option 4- All of the above

The architecture reflects the aesthetic ideals prevalent at the time, and variations within those ideals. But, buildings also express the vision of those who build them.
Rulers everywhere seek to express their power through buildings. So by looking at the architecture of a particular time, we can understand how power was conceived of and how it was expressed through structures and their attributes- bricks and stones, pillars and arches, soaring domes or vaulted roofs.