Final answer:
The subject of this question is Social Studies. AA may not refuse transportation to customers except for specific reasons such as medical reasons, flight overbooking, unruly behavior, and safety/security concerns.
Step-by-step explanation:
The subject of this question is Social Studies.
According to the question, AA may not refuse transportation to customers except for specific reasons:
- For medical reasons
- If the flight is overbooked
- If the customer is unruly
- For safety and security reasons
This question is discussing the policies and regulations related to airline transportation, which falls under the category of Social Studies.