BIOMED HELP!! please help me out. If I don't turn this in I can fail the class. It doesn't have to be paragraphs just a few words and I can go from there thank you

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