the Ohio law violated Brandenburg's right to free speech. The Supreme Court ruled that the Ohio Criminal Syndicalism Statute ignored whether or not the advocacy it criminalized actually led to imminent lawless action. The Court held that hate speech is protected under the First Amendment as long as it does not incite violence.
A: Trainloads of tourists killed buffalo purely for sport.
A monopoly can raise prices and retain customers because the monopoly has no competitors. If a customer has no other place to go to obtain the goods or services, they either pay the increased price or do without. Thus the key to market power is to preclude competition through high barriers of entry.
The answer to the first question is 'a'
The answer to the second question is 'd'