Compare and contrast the life of freed slaves after civil war and the life of people in sudan.

Correct the sentence alice who lived next door goed to a different school

Identify the example of when situation and time are key to assessing risk of harm in a research study: a study on the efficacy of a behavioral intervention for smoking cessation involves both adults and teenagersasking women if they have had an abortionresearch on the prevalence of hiv-infected individuals in communitiesa survey about sexually transmitted diseases

When were criminals first used to create a system to catch other criminals