“Black social movements face a dilemma in that the public often perceives nonviolent Black disruptive protest as violent…we find Congress is generally more accepting of nondisruptive protest but nondisruptive protest is only roughly one-tenth as effective for Blacks” https://academic.oup.com/sf/advance-article-abstract/doi/10.1093/sf/soae073/7676333?redirectedFrom=fulltext