Cryptic crossword

ACROSS

1. Tree supplying American with a shady retreat (5)

4. Fine wool fabric defeated one (7)

8. Causing resentment in US, I void it anyhow (9)

9. Stupid person who gave Roman copper a shilling (3)

10. Toughens the East by entering it in the records (7)

12. One’s bearing when one is among soldiers (4)

14. Small crown of gold put on in California (7)

17. Fleece one of a piece in the corner (4)

18. Go back over one’s steps if Sappers react differently (7)

20. In ‘49 Labour leader wasn’t well (3)

21. Decoration in manner Dot could have arranged (9)

23. Tell the tale of a difficult terrain one had left (7)

24. At getting so weary, gets clothed (5)

DOWN

1. Critical comment of main adviser no different from this (13)

2. Like cattle to start bleating like sheep (6)

3. Heating or cooling apparatus needs rod at air transferral (8)

4. To court one warrant officer, having nothing on (3)

5. Got up as a symbol of the Tudors (4)

6. Extremely sad act girl almost gets involved with (6)

7. Impartial dentist with desire to make changes (13)

11. Animal track is sulphur-impoverished (5)

13. Disciplinarian could train me before term starts (8)

15. Grab one round the neck or callout for it (6)

16. Take one’s progress through life at a wild rush (6)

19. Story of family history has a gag running through it (4)

22. Spanish cheer means nothing to the French (3)