According to Article Three of US constitution the Judges are appointed for life because the writers of constitution wanted to give the federal judges job security and wanted judges to be able to decide cases free from public or political pressure, Federal judges know their jobs are safe even if they make unpopular decisions and they can only be removed by impeachment. This provision was meant to strengthen the Judiciary so as to make the functioning of the judiciary efficient.
The writers of the Constitution gave federal judges job security because they wanted to be able to decide cases free from public or political pressure and for federal judges can know their jobs are safe even if they make unpopular decisions
