the first amendment.

The First Amendment protects Freedom of Speech , Religion , Press , Assembly ,and Petition.

Freedom of speech,as stated in the 1st and 14th Amendments to the Constitution of the United States, to express information, ideas, and opinions free of government restrictions based on content.

Freedom of religion or Freedom of belief is a principle that supports the freedom of an individual or community, in public or private, to manifest religion or belief in teaching, practice, worship, and observance.

Freedom of the press or freedom of the media is the freedom of communication and expression through mediums including various electronic media and published materials.

Freedom of assembly and freedom of association, is the right to join together with others to reach common goals ,and common opinions, both in public and in private.

The right to petition government for redress of grievances is the right to make a complaint to, or seek the assistance of, one's government, without fear of punishment.

Without the first amendment life in the U.S. wouldn't be the same.

sources.

• wikipedia : freedom of speech ,religion ,press.
• britannica : freedom of assembly ,petition.

the end :)