### Clue: That man had initially grumbled and cursed about country's borders (9)
### Answer: HEDGEROWS 
 ### Explanation: Definition: country's 

**HE'D** ("that man had") + [*initially*] **G**(rumbled) + **<=SWORE **("cursed", *about*)
 
*"Country" in this case is "countryside" rather than "nation".