This is called a complex reaction time. Since the response is for a multiple stimuli and response possibilities, it should be a complex one which relates to "many" or multiple. The total time to respond to a stimuli is called a reaction time. Thus, it represents a complex reaction time.
Answer:The cottonocracy (planters), yeomen, and poor whites were the three main groups of the white southern society. Free African Americans and slaves made up the rest of society. They were similar, because both groups were free, and they could both get jobs.