Stumped by 57-Across? Here’s the Answer!

1. A symbol of national pride
2. Raised on a pole
3. Often features stripes and/or colors representing a nation or organization
4. Used for signaling
5. Can be seen at sporting events
6. Used in military ceremonies
7. Can be flown at half-mast as a sign of mourning
8. Often depicted on postage stamps
9. Sometimes burned or otherwise desecrated as a sign of protest
10. Can be folded into a triangle for storage.
11. Flutters in the wind.
12. Often used as a backdrop for important speeches or events.
13. Can be found at embassies and consulates.
14. Often seen on government buildings.
15. Can be found in classrooms to demonstrate patriotism.
16. Sometimes carried during protests or demonstrations.
17. Sometimes written or painted on in graffiti.
18. Can be used to identify ships at sea.
19. Can be used to identify territories or regions.
20. Can be a point of controversy or debate.