Sure is. 'The Chicago 7' is rooted in true events. It strives to present an accurate portrayal of the circumstances and the people at the center of those events, although some details might be adapted for the screen.
It depends. Some elements of Chicago might draw inspiration from real events or people, but it's not a straightforward retelling of a specific true story.
The movie Chicago 7 does draw from true historical events. It depicts the political and social context of that era quite accurately, giving viewers a glimpse into the actual happenings.