In the indian caste system, the kshatriyas were a- priests b- warriors and landowners c- merchants and artisans d- farmers and laborers

the part that reads "to all free men of our kingdom we have also " is the one reflected in the us constitution, since it is guaranteeing the right of the individual to be free from unlawful searches and seizures (as the fourth amendment also does) as well as protected from loss of life, liberty, or property, without due process of law (as the fourteenth amendment also does).