Is Iowa caucus open or closed?

Related questions

1. What do congressional caucuses do?
2. What is the difference between cabinet and caucus?
3. What are the benefits of a caucus?
4. How many types of elections are there in our country?
5. Is Iowa a good state?
6. What is the purpose of a caucus?
7. Who can participate in a caucus?
8. Is Iowa the best state?
9. What happens at a caucus?
10. What does it mean to caucus with Democrats?

Tags

1. #registration
2. #cannot
3. #independents
4. #unless
5. #partisan
6. #closed
7. #primary
8. #votes
9. #specific
10. #voter
11. #there
12. #election
13. #party