Bart hates living in spring filed. he hates it so much the he bought a billvorad ad which says" SPERINGFILED sucks". in reponves, Spreing filed City Concil Passed a by- law which prohibits billboard advertising which" is offrnsive in any way" Due to that by Law, the city fines Bart 25000 and orders him to take down his billborad.

1.Is the by- law valid under section 1 of the charter? ( state the applicable law and apply that to facts of this case.)