Detailed Instructions: Given a text passage, come up with an appropriate title for it. The title should accurately represent what the main focus of the passage is. The title of a passage may be present in the first few sentences of the passage and/or be referred to multiple times in the passage. The title should be 1-5 words long.
Problem:The United States dollar ( sign : $ ; code : USD ; also abbreviated US $ and referred to as the dollar , U.S. dollar , or American dollar ) is the official currency of the United States and its insular territories per the United States Constitution . For most practical purposes , it is divided into 100 smaller cent ( ) units , but officially it can be divided into 1000 mills ( ) . The circulating paper money consists of Federal Reserve Notes that are denominated in United States dollars ( 12 U.S.C. 418 ) .
Solution:
United States dollar