What restrictions on freedom assembly is described in this headline

The correct answer is C) Wealthy companies can discourage protests by threatening protestors with lawsuits they can’t afford to fight.
Freedom of assembly means the right that people have to come together and express collectively their ideas. It is located in the First Amendment. When a company threatens to sue a group of protestors just because they are exercising their right to protests, there is a clear violation of the right to freedom of assembly.