i have a project and i need to explain why the 9th amendment is important and needs to be ratified. I understand it but I can't really put into words why it needs to be in the bill of rights and why it's important

The ninth amendment reserves all rights that are not listed in the Constitution to the people. The 9th Amendment to the Constitution reads like this: "The enumeration in the Constitution, of certain rights, shall not be construed to deny or disparage others retained by the people."