YOU SAID:
The troops took what was usable and destroyed that wasn’t
INTO JAPANESE
軍隊は使えるものを奪い、使えないものを破壊した
BACK INTO ENGLISH
The army took what it could and destroyed what it couldn't.
INTO JAPANESE
軍隊はできるものは奪い、できないものは破壊した。
BACK INTO ENGLISH
The army took what it could and destroyed what it couldn't.
That didn't even make that much sense in English.