Final answer:
Protesters' right to assembly is protected under the First Amendment in certain circumstances. This right is subject to some constraints, but protesters are generally allowed to assemble peaceably in public forums.
Step-by-step explanation:
Under the First Amendment, protesters' right to assembly is protected in certain circumstances. While this right is subject to some constraints to balance it against public order, protesters are generally allowed to assemble peaceably in public forums. However, not all public property is considered a public forum, such as the inside of government office buildings or college classrooms.