Select the Best Description of an Act of Protest or Civil

Select the best description of an act of protest or civil disobedience that is protected under the 1st Amendment.

A) a demonstration on private property where litter is used to deface a place of business
B) a demonstration on public property where litter is used to deface a public monument
C) a silent vigil at an intersection where an African American teenager was killed by gunfire
D) smashing the windows of a store alleged to practice discriminatory hiring