Personality Disorder is the correct answer.
People with personality disorder exhibits a personality that is considered odd or eccentric. Research has shown that those who suffer from personality disorders do not experience emotions the same way as the majority of people do. Even though it's not common to be diagnosed with a personality disorder before the age of 18 (since, at this age, one's personality is still developing), studies suggest that personality disorders begins in adolescence or early adulthood causing distress or impairment.
Answer:
The wheeled cart allowed for faster transport of goods and services. This allowed trade between distant cities and towns to become easier to accomplish. Trade became more popular due to this fact.
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Answer:
A production possibilities frontier graph.
