A protest leader delivers a speech at a rally, calling for p…

A protest leader delivers a speech at a rally, calling for participants to “shut down the city” and block major highways the following week to protest new government policies. The protest leader is arrested under a law prohibiting speech that incites unlawful action. The leader argues that the law violates their First Amendment rights. Which of the following, if true, would best support the constitutionality of the arrest?