Sit-in campaigns and freedom rides were two form of protest against segregative laws taken up by civilians - white and African-American activists - consisting in deliberately challenging and violating the segregation rules in the South of the United States. 
Sit-in campaigners and freedom riders proved their fortitude and true desire to make a change, aiming to draw the attention of the press so that more and more people join these peaceful protests.

Find attached the document summing up what sit-ins and freedom rides are.

The video below corresponds to the scene from the 2013 film entitled The Butler, directed by filmmaker Lee Daniels and starring Forrest Whittaker as the lead role. 

The link below leads you to the trailer of the documentary film Freedom Riders, which we watched in class.

https://youtu.be/d8CAKAXR-AM (copy and paste it on your browser)