The settlers retreated to the fort.
The fort was built in 1796.
We must defend this fort.
The invaders captured the enemy fort.
Here are some sentences.
The soldiers defended their fort from the Indians.
The fort was built to protect the country from enemies.
The chilren made a fort out of sticks and logs.
The soldiers defended their Fort with all their might.
if i have interpreted your question correctly then the answer is simple: they defended the FORT
The soldiers waited quietly within the fort and when the attack came, they fought with renewed strength.
I have an idea to destroy their snow fort.
The fort was attacked twice during the Civil War, and eventually abandoned by its garrison. For young children, any collection of boxes can become an imaginary fort.
The French sentence "je t'embrasse fort je ne peux" translates to "I kiss you deeply, I can't."
Impenetrable- The fort's defenses were thought to be impenetrable.
The army had a stockade that surrounded the fort for protection during the battle.
After the storm, the kids made a fort out of chunks of ice and snow.
I once lived in a humongous castle with a fort which was 144ft high!
The conspirator plotted with others to overthrow the government.