The Government Can Lawfully Prevent a Political Rally from Taking

The government can lawfully prevent a political rally from taking place

A) under no circumstances: people have an unconditional right to express their views.
B) when the rally would cost government money because of the need for police protection.
C) when the views of those holding the rally are unpopular.
D) when it can demonstrate clearly that a non-preventable evil will result if the rally is held.
E) None of the above