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Choose the statements that correctly describe the slave trade and its impact on West Africa.

Africans might enslave neighboring societies as a result of warfare.
Slavery did not exist in Africa until after Europeans arrived.
The area of the Gold Coast was the most active area for capturing slaves.
More slaves from West Africa were sent to Brazil than to any other single location.
European slave traders usually worked with African leaders to capture or obtain slaves.
Many African leaders traded slaves for imported sugar and food.
The Portuguese are regarded as being the first European power to obtain African slaves for their "New World" settlements.
Slaves owned by Africans were generally treated more harshly than slaves owned by Europeans.

Astudy that involves interviews of adults is eligible for expedited review. the researcher wants to add an adolescent population (aged 12 to 17) to the study and has designed a parental permission and assent process. no additional changes are planned. which of the following statements about review of the revised protocol is accurate? the research would only be eligible for expedited review if the adolescents are capable of understanding the same consent forms used for the adult population.the research would only be eligible for expedited review if the adolescents have been declared to be emancipated minors.the new research would need full review by a convened irb because children are a protected population.unless the nature of the questions would raise the level of risk to > minimal for adolescents, the research would still qualify for expedited review.