Final answer:
The subject of this question is Social Studies. In English common law, the king had the authority to act as a guardian for persons with legal disabilities, while in the United States, this function belongs to the states.
Step-by-step explanation:
The subject of this question is Social Studies and the grade level is High School. The concept being discussed in this question is the origin and authority of acting as a guardian for persons with legal disabilities.
In English common law, the king had the authority to act as a guardian for persons with legal disabilities. In the United States, this function belongs to the states. The states have the power to regulate and provide guardianship for individuals with legal disabilities.