So that the really important cases can be addressed by good judges (at lack for better words) and maybe change a law (Rosa parks case). And lesser ones be taken care of fast.
Answer:
A creeping bombardment, first employed at the Battle of the Somme, featured artillery fire going forward in stages only ahead of the advancing infantry. ... The plan demanded correct timing for both the heavy artillery and the infantry to function. Failure to do that would result in their own troops being killed by artillery.
At the time it wasn't new jersey it was new England that's why it was still a colony. so it changed into new jersey when England wasn't under control.