Just g00gle oprah winfrey profile and fill it in
It is called experimenter bias
experimenter bias refers to the cognitive bias that held by researchers that might cause them to subconsciously influence the outcome of the experiment.
The most likelt cause of this bias is a situation where experimenters held a certain belief or expectation for the outcome of the experiment.
All things to prevent the slaves/ African Americans from voting. Yet they still have the “option” to vote.
It is to deliver appropriately qualified civilian men for the induction into the Armed Forces of the US as authorized by Congress.