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.
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!
if i have interpreted your question correctly then the answer is simple: they defended the FORT
The chilren made a fort out of sticks and logs.
I have an idea to destroy their snow fort.
Impenetrable- The fort's defenses were thought to be impenetrable.
No. The word impregnable already means "impossible to enter."You can replace the word impregnable with "impossible." If you still want to use the word, you can say"The opposing fort proved impregnable during the battle."Having the clause first is unwieldy.
use it by saying- how can you use the word ebullient in a sentence?
Can you use the word concluding in a sentence? Done.
How can you use the word infectious in a sentence
You can use the word Truss in a sentence like this.
Just use it! Or do you mean, can you use the word beheld in a sentence.