How do the 13th, 14th, and 15th Amendments to the Constitution represent one of the most lasting and successful legacies of the Reconstruction era?

Which instance of political expression would be considered symbolic speech? a. a student wearing all black to call attention to political issues b. a candidate for congress giving an interview to the media c. a demonstrator chanting anticorporate slogans outside a company’s headquarters d. a local citizen speaking up at a town hall meeting