Here are the answers to your questions:
Question 1: A person's race or ethnicity alone can provide reasonable suspicion for stops and frisks.
Answer: False
Question 2: The practice of targeting people for police action based solely on their race, ethnicity, or national origin.
Answer: d) Racial profiling
Question 3: Which U.S. Supreme Court case ruled that when police have reasonable cause to believe a suspect is armed and dangerous, an investigatory stop and brief frisk are permissible?
Answer: d) Terry v Ohio 1968
Question 4: A pat-down or minimal search by police to discover weapons.
Answer: a) Frisk
Feel free to ask if you have any more questions or need further explanations!