The USA is a wonderful place to study, explore and live. One aspect of American culture is our love of independence and the rights respected by our government and law enforcement. While the chances are that you will never have any problems, it is fascinating to read and know the rights afforded to people living in the USA.
Here is a link to the flier featured above.
Here is a link to frequently asked questions on encounters with law enforcement in the airports and other ports of entry in the USA.