Because they are appointed for life, Justices are able to change the fundamental structure in the country. For instance, someone who doesn't believe in abortion, or immigrants, will generally vote against such case when they come up for trial. Because they are appointed for life, there is a higher chance on them dealing with a controversial subject like Abortion, Healthcare etc.
The Supreme Court is important because it rules on cases that affect many aspects of our lives. ... Additionally, Supreme Court justices have a lifetime appointment, serving until death or retirement. They may also be impeached, which has only happened once, in 1805.
