Characteristics of extrovert person are: interest in other people and things around them. This type of personality is motivated by external factors and he was a influence on social environment. Extrovert like to be in company whit other people. They do not like to be alone-they are well socialized and love to going out and meet a new persons.
Changes in personality maybe explained by the social or cultural upbringing of a person. For example in this case, this person must have experienced the lack of support from close kin that's why she is so keen to prove herself. her strong personality must have been because of profound personal reasons.
"old world - new world" americans are the people native to the North America continet.