Answer:
This part sets out important ideas about government. It says that “all men are created equal.” And they have “unalienable rights,” rights that no one may take away. These rights are “life, liberty, and the pursuit of happiness.” It says that governments are set up to protect these rights.
In a nutshell, the cruel and unusual punishment clause measures a particular punishment against society's prohibition against inhuman treatment. It prevents the government from imposing a penalty that is either barbaric or far too severe for the crime committed.