In the United States, Federal judges hold office for life to

Responses

gain experience in their jobs
gain experience in their jobs

decrease political interferences in their decisions
decrease political interferences in their decisions

have the opportunity to view the long-term results of their decisions.
have the opportunity to view the long-term results of their decisions.

develop a judicial philosophy which is consistent with that of other judges

develop a judicial philosophy which is consistent with that of other judges.