Major theories which make an attempt to explain personality differences are:

Major theories which make an attempt to explain personality differences are: The psychoanalytic perspective of personality which emphasizes the influence of early childhood experiences and the unconscious mind; the humanistic perspective of personality which  focuses on psychological growth, free will, and personal awareness; the trait perspective of personality which emphasizes on identifying, describing and measuring the specific traits that make up human personality; the social cognitive perspective of personality emphasizes the importance of observational learning and cognitive processes.

im sorry i dont know a lot of this but ill try my best

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explanation:

with the profits from the european sales, merchants purchased europe's manufactured  goods, including tools and weapons. then the merchants shipped those manufactured  goods, along with the  american  sugar and rum, to west africa where they were bartered for  slaves.