Can you many countries as possible that fought on the side of great Britain in Great War?

The following countries fought on the side of the United Kingdom in World War I:

Allied Powers:

1. Belgium

2. Brazil

3. China

4. Cuba

5. France

6. Greece

7. Guatemala

7. Haiti

8. Hejaz

9. Honduras

10. Italy (from May 23, 1915)

11. Japan

12. Liberia

13. Montenegro

14. Nicaragua

15. Panama

16. Portugal

17. Romania (from August 27, 1916)

18. Russia (until March 3, 1918)

19. San Marino

20. Serbia

21. Siam (Thailand)

22. United States (from April 6, 1917)

23. Uruguay

24. South Africa

Co-belligerents:

1. Armenia

2. Czechoslovakia

3. Finland

4. Poland