What causes personality disorders?

Personality disorders are caused by a mixture of genetic factors, such as a family history of disorders and upbringing. People who have a dysfunctional home life in early childhood and adolescence can develop personality disorders in later life.

Childhood trauma can take a big part in personality disorders

Google it it's on quizlethere's the link i used to study

I’m going to guess these are the choices: a) recreational skiing developed in the mid-19th century b) it was originally invented as a way of getting from place to place in snowy regions c) downhill skiing is currently the only common form of the sport d) it mostly evolved from snowshoeing- if that’s the cases then the answer would be c) downhill skiing is currently the only common form of the sport