Conversation so far:
What is one of Danny Glover's beliefs on civil rights?
Glover was a member of the Black Students' Union.
Did he attend protests?
a five-month student-led strike.
What was this strike against?
to establish a Department of Black Studies.

Question: What other activism was he involved in?
Self-contained rewrite: What other activism was Danny Glover involved in besides the five-month Black Students' Union strike?