Which events are correlated but not causally related?

This map is depicting the 16th century route of what explorer

How else might the black hand have addressed its nationalistic aspirations

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