Why does Article I of the Constitution forbid the government from passing ex post facto laws?
A) Ex post facto laws would allow the government to require that arrested individuals be made fully aware of their rights when taken into custody.
B) Ex post facto laws would allow the government to strip convicted individuals of certain rights based on the nature and seriousness of the crimes they committed.
C) Ex post facto laws would allow the government to punish individuals for acts that only became illegal after they were committed.
D) Ex post facto laws would allow the government to temporarily suspend the rights granted by the First Amendment in times of national emergency.