Select the three classes of people in the Middle Ages.

The most common clasification of estates (these are proper terms classes are rather economic factor not legalor jurisdical factor) were those who work, those who rpay and those who fight, clergymen were those who secured religious matetr alsoe social care and education, knights were thos which secured law enfrocemnt and protection and rest of society were those who produce and work in various ways but it was accurate in early Middle AGes because during High nad Late Middle AGes society was decntrlised and very diverse