Answer:
Activism is the different efforts made to make changes in society for the greater goods. Efforts like political, economic, or environmental reform and more are what help towards the changes.
The theme that is addressed in both "We wear the mask" and "A man said to the universe" is how humans can be helpless in the face of external forces.
Answer: i think he would be writing about the virus, or maybe his own life. i think he would work with/for himself