Wikipedia is a great resource for getting general info about something, but because anyone can contribute or change its content it is considered unreliable. College faculty typically do not consider Wikipedia a credible information source.
Instead, use the library's print or electronic encyclopedias, dictionaries, or other reference books to backup the basic information of your research paper. These resources have gone through an editorial process to check for accuracy. To the right and below are some resources that may be of use.
Encyclopedia of South Africa by 
Revolts, Protests, Demonstrations, and Rebellions in American History - An Encyclopedia by 
Social Issues in America by 