Well, if Polyaenus is to be believed, a bunch of kucing-kucing once did memperlemah the Ancient Egyptians' pertahanan against the Persians during the battle of Pelusium.
Puss in boots attack
Is it Bobby the cat?
Would 'resolve' be an accurate translation for "pertahanan" here?
no, it's already correct. although there is another translation for "resolve" as noun like "ketetapan hati" (determination) or "keteguhan hati" (resoluteness)