Is the USA a constitutional republic?

Related questions

1. Which US state comes first alphabetically?
2. Can a Puerto Rican run for president?
3. Where is United States on world map?
4. Is Canada in the US Yes or no?
5. Why is Washington DC not part of the United States?
6. What's better Canada or United States?
7. How my states are in the United States?
8. Why is US called America?
9. Can a Puerto Rican Be President?
10. Are Puerto Rico US citizens?

Tags

1. #states
2. #local
3. #basic
4. #types
5. #united
6. #federal
7. #powerful
8. #unitary
9. #nature
10. #republic
11. #power
12. #representative
13. #confederal
14. #organization
15. #government
16. #three
17. #democracy
18. #constitutional
19. #nations
20. #national