united state penitentiaries are:

A ) minimum security prisons
B ) medium security prisons
C ) high security prisons
D ) administrative prisons

United State Penitentiaries can fall under any security level, ranging from minimum security to high security. Each penitentiary is classified based on the level of security required to house the inmates and safeguard the public. Therefore, all the options (A) minimum security prisons, (B) medium security prisons, (C) high-security prisons, and (D) administrative prisons can be correct to describe different United State Penitentiaries.