Which of the following has been proven effective as a treatment for the disease indicated? O A. Tonsillectomy for strep throat
O B. Bone marrow transplant for breast cancer
O C. Bleeding for rheumatic fever
O D. Penicillin for syphilis

What is the purpose of the tenth amendment? a. to establish the electoral college b. to give each state constitution the same protection as the federal constitution c. to grant to the citizens of each state access to the federal court system powers d. to limit the power of the central government by establishing reserved powers for states and individuals