In which way are the federal and state judicial systems different? A Only state courts can hear civil cases.
B Only federal courts can assign the death penalty.
C Only federal courts can try cases between states.
D Only state courts can review the constitutionality of state laws.

B... The differences between federal and state courts are defined mainly by jurisdiction. ... The only cases state courts are not allowed to hear are lawsuits against the United States and those involving certain specific federal laws: criminal, antitrust, bankruptcy, patent, copyright, and some maritime cases.

Because broadest terms allows the law flexibility depending on changing society and circumstances.