What is the purpose of the phrase "secure the Blessings of Liberty to ourselves and our posterity" in the U. S. Constitution's preamble?

in the 1950s, country music came into its own before rock-n-roll took off in the 60s while jazz and classical music continued to innovate

`stare decisis is a legal doctrine that obligates courts to follow historical cases when making a ruling on a similar current or future case. stare decisis ensures that cases with identical facts be approached in the same way, unless overruled by the same court or a higher court such as the us supreme court. simply put, it binds courts to follow legal precedents set by previous decisions.

stare decisis is a latin term meaning "to stand by that which is decided".

may i have the answer choices?