Most researchers agree that are the core traits of personality.

The answers are conscientiousness, agreeableness, neuroticism, openness to experience, and extraversion. Researchers who used the factor analysis method agreed that the mentioned traits are considered to be core traits of an individual’s personality. Some of these traits are hard to practice, which is why an individual must be open to experience different things in order for them to cope up with his or her environment.

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the correct answer is :

{b.}   ( american workers lose job opportunities )

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    -sprinkles