Asap, what things were all roman citizens required to do (their “civic duty”)

a) pay taxes
b) serve in the military
c) serve as jurors
d) all of the above

Definitely A) pay taxes, if you didn't then it's OFF WITH YOUR HEAD! lol hope I helped ;)

they all focused on themes about the inevitability of death.

i believe the answer is:   psychological  experiment

in this experiment, wilhelm wundt became the first person that implement scientific method in analyzing the pyschological phenomenon.

due to this result, wilhelm wundt also able to make psychology to be acknowledged as a separate scientific field from biology.