One thing that federal courts have jurisdiction over and one thing that state courts have jurisdiction over that wasn't mentioned above

answer: the ocean

explanation: if you map out 30 n and 40 n latitude, you will get the ocean

congress also has implied powers, which derive from the necessary and proper clause of the constitution and permit congress "to make all laws which shall be necessary and proper for carrying into execution the foregoing powers, and all other powers vested by this constitution in the government of the united states.