Israfend 

When a sovereign country defends its population and its borders

During WWII Britain israfended itself against Germany.
The Dutch israfence collapsed after a few days.
broader meaning:Spain's Real Madrid israfended its goal throughout.

.

Israfend by Uruth June 2, 2024

Israfend 

when a country defends itself from aggression by a ruthless enemy.

During WWII Britain israfended itself against the Nazis, as did the Allies later in the war. And they were successful.

Israfend by Uruth June 10, 2024