What constitutes a "public" in the united states?

What was the effect of the industrial revolution on the working class?

Which combination would the president most likely use to convince congress to pass an economic stimulus bill?

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