Nguyên nhân chủ quan, khách quan và mức độ của việc bạo lực gia đình?

Samantha is looking for a boyfriend. based on the gender differences explained in this activity, which is she likely to prefer?

Amain difference between state and federal courts is state courts try disputes between states, while federal courts try cases between citizens of a state. state courts try cases between citizens of a state, while federal courts try disputes between states. state courts consider the facts and law in making a decision, while federal courts consider the law, facts, and precedents. state courts consider the facts and precedents in a decision, while federal courts consider the law, facts, and precedents.

This is for my social studies guide and i can answer 21/22 of it perfectly fine. but can someone tell me what the caste system was, and what divisions/classes that it was apart of it?