They were similar because with olfactory lethargy you have a delay in detecting a new smell because your receptors are overworked from a previously heavy smell, the same thing appear with afterimage, you stare at a color and your cones become lethargy, thus showing an afterimage of another color. they were contrasting because one deals with olfactory bulbs and the other deals with occipital lobes and optic nerves.
Answer:
Byzantine / Constantinople was at the perfect spot to function as a capital, strategically and economically
I believe it is the 3rd and 5th answer.
They encouraged the spread of arts and education.
AND
They provided financial support to artists.
Hope this helped!
Oliver Cromwell was succeeded by his eldest son Richard Cromwell. :D