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Name two things dr. king did to make america aware of the discrimination of african americans

These facilities were organized and sponsored by churches or charities during the great depression in an effort to feed the homeless and needy.

Using mr smith and his id, identify two potential internal validity threats that might affect the a—b design. tell me how that threat might impact conclusions in the a—b design. note #1: you cannot use maturation (since i already did that one for note #2: there are some mr smith id threats that won’t have much impact in a single case design.