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GIVING BRAINLIEST

Chris would like to conduct a study on the effectiveness of a new substance-abuse treatment program. he has a sample of participants go through the program and he uses as a comparison group people who did not volunteer for the program but were eligible. chris has used a(n) design for his study.

In the early 1800s tue federal government wanted american indians who did not assimilate to

The government has the right to restrict the number of people who visit the white house. this is an example of a government exercising its