22d - period before resistance is over (5) - R???? - rover? why?
23d - improve understanding of opposition leader by providing right of reply (5) - E???? - edify? if so, why?
25ac- factor staff into decision to abandon Europe (9) - ????N???N - dimension ? why?
27ac - implements stoppage by the french train service (7) - C???E??
All help gratefully received, with rationales.
Thanks
HH