I believe the answer is Austria.
Soviet Union and the United States
The correct answer is <span>b. a large, airy room inside the main entrance of a wealthy Roman's home
They were rather common, and still are, being incorporated by many modern architects as well as Romans.</span>
The correct answer should be - a botanist who s<span>tudied nature to uncover why a certain plant kept dying.
The most important principle of Enlightenment is reason and knowledge - so instead on relying on superstition and unreliable facts, this person decided to actually explore and study nature further to reach a conclusion him/herself.
</span>