How to thank civil right African American Activist for their work?

To be honest I don't think this is worth stressing over you get to meet a great person who did a lot to make this future I think the best thing you could do is stay respectful and just say it if you feel the need to. Thank you so much. It doesn't hurt if you do your research on that specific person if you want to ask about specific events they were involved in

when in doubt choose c

it's what my teacher told my class when we were going into psats