Reference sources, such as general and specialized encyclopedias, provide defintions and a broad overview of your topic, and they give you good background information.
"A symbolic, non-violent violation of the law, done deliberately in protest against some form of perceived injustice. Mere dissent, protest, or disobedience of the law does not qualify. The act must be nonviolent, open and visible, illegal, performed for the moral purpose of protesting an injustice, and done with the expectation of being punished." To read the rest of this article, click here.
U. S. History in Context includes articles from reference books and periodicals, primary source material, audio, and more.