What do we call a shoe print or tire track which we can see with the naked eye, because it has been made after the shoe or tire was dirty/contaminated by something and left a print behind?

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