Answer: A. Come together to advance a cause.
Explanation: The coming together of people as defined by the right to freedom of assembly and petition is valid as long as the assembly is done peacefully—a factor options B to D lack. It is the peaceful assembly of people for a common cause to petition the government for a redress of grievances. It is an important avenue through which members of the public can express their views and opinions to their leaders, to other members of the society, leading to discourses, integration and a catalyst for change in the society.