Julie Owns a Gun and Has for Several Years

Julie owns a gun and has for several years. She is arrested for possession of a firearm within the city where she lives. The day following her arrest, the city passes a law making gun ownership of any kind illegal and punishable by a year in jail for the first offense. Julie is sentenced to one year and a day in prison. ​

A) A discretionary writ issued by the Court to review the decision of a lower court is called a: ​
B) writ of certiorari.
C) habeas corpus.
D) nulla poena sine lege .
E) tort.