1. A man is arrested for walking down the street wearing a sign saying "the world is

going to end".

Amendment Violated:

Summary of why this is a violation:

Amendment Violated: First Amendment.

Summary of why this is a violation: The First Amendment of the United States Constitution gives the citizen and press freedom of speech. Thus, wearing a sign of 'world is going to end' is violation of the First Amendment as it possess the possibility of creating a chaos and fear among the people.

Explanation:

The First Amendment of the United States enlist five freedoms. They are freedom of speech, religion, press, assembly, and petition. This amendment will be assumed to be violated if it threatens or creates a situation of danger in the United States.

So, a man has been arrested in the given scenario because the slogan possesses the possibility of creating a situation of chaos and threat in the States. The man is misusing his freedom of speech by wearing the slogan 'the world is going to end.'

So, the amendment violated is the First Amendment and the reason stated above.