Question: Gradual decadence and increasing gentleness."
Slowly increasing opulence.

Answer: yes

Question: And they also doubted that the political establishment--which helped pass new taxes to build two new pro stadiums in Seattle for multimillionaire owners--would ever ease the irksome car tax.
Millions will be invested into easing the current problematic car tax.

Answer: it is not possible to tell

Question: We also require adequate supervisory control through such means as prompt review of workpapers.
We must have a controlling interest in the work product by having the wherewithal to examine workpapers.

Answer:
yes