Because of the scientific processes
Answer:
A
Explanation:
13th abolishes slavery
14th grants citizenship to all born or naturalized in the US; including former slaves
15th prohibits disenfranchising voters based on race, color, or previous condition of servitude
so the answer is A
. granted rights to African Americans
Is this a multiple choice question..?
Add some more information!
Answer:
Behavioral psychology by Skinner, Watson
Psychoanalysis by Freud
Humanistic psychology by Maslow, Rogers
Explanation:
