The correct answer is A) assembly.
The right to assembly is the freedom enumerated in the United States Constitution.
The individual right to assembly is enumerated in the Constitution. People can reunite and express in public or in private, but always respecting the order. This freedom is recognized as a civil and political right. This freedom is included in the First Amendment to the Constitution and says: "...the right of the people peaceble to assemble and petition the government..."