the struggle for national identity and the control of territory
The statement that best explains why the Supreme Court ruled in the students favor is A; The events involved symbolic speech without disruption. The Tinker v. Des Moines involved the suspension of three teenagers that wore armbands to school in support of protesting against the Vietnam War. The court ruling was that the students' free speech right was violated by the school district.
In the headlines above, the best choice suitable in the statement is choice number four, which is the federal supremacy. The headlines speaks as a federal supremacy because it has the authority of making federal laws being considered by the people.