Why USA is called the USA?

Related questions

1. How many states are there in USA 2019?
2. Does DC pay state taxes?
3. Is America a republic or a democracy?
4. Why is Puerto Rico not a state?
5. Is there 50 states or 52 states?

Tags

1. #independent
2. #right
3. #america
4. #congress
5. #nation
6. #declares
7. #colonies
8. #formally
9. #ought
10. #renames
11. #continental
12. #these
13. #united
14. #document
15. #states