According to the First Amendment "Congress shall make no law respecting an establishment of religion, or prohibiting the free exercise thereof; or abridging the freedom of speech, or of the press; or the right of the people peaceably to assemble, and to petition the government for a redress of grievances."
The first three articles of the Constitution lay out how the government is to be organized. Each article deals with the setup of one of the branches of government.
The First Amendment allows people to publicly demonstrate or protest what they want to apply.
1st admendment
freedom of speech, press, and religion
the freedom of speech, press, religion and assembly.
the controversial 18th admendment prohibition on alcohol was repealed by the even more controversial 21st admendment
2nd admendment
20th and the 21st amendments.
Admendment 14
That would be the Bill of Rights.
The first amendment has a lot of important aspects. In short it guarantees freedom of speech, association, and religion.
the 14th admendment changed the American federal system. It went from the previous stae centered federal system to a now over whelming national controlled federal sytem. This admendment allowed the national government to step into a dictate what was once state's domain