Which statement describes a characteristic of the civil rights movement? President Lyndon Johnson didn’t want to give African Am
ericans equal rights. Almost all white people fought African Americans on equal rights. The movement was centered in the South, where segregation laws were strictest. The movement reached its height in the 1980s.
This historian would be using the skill of "comparative analysis," since he or she is comparing a wide variety of sources to draw a conclusion between them as a group.