PLZ HELP Both the confederate and federal government systems have been used in . A. the United Kingdom B. the United States C. North Korea D. Iran Please select the best answer from the choices provided A B C D

The best answer for this is the united states.
- north korea is a socialist country ruled by a dictator
- the united kingdom follows a constitutional monarchy (meaning that they have a royal family but still have political groups that actually run the country)
- iran is a theocratic state meaning that they establish and maintain laws that pertain to their religious beliefs.

therefore, the answer is b.
hope this helps! :)