fortifications

the castle's fortifications were impressive, with thick walls and numerous towers.

engineers began planning new fortifications to protect the city from invaders.

the ancient fortifications provided a strong defense against enemy attacks.

maintaining the fortifications required a significant investment of resources.

the army strengthened the existing fortifications before the expected siege.

the design of the fortifications included moats, walls, and guard towers.

despite the fortifications, the city eventually fell to the enemy.

the strategic placement of the fortifications was key to their effectiveness.

the crumbling fortifications needed urgent repair and reinforcement.

the fortifications offered a vital line of defense against the approaching army.

they studied historical fortifications to understand defensive strategies.

the island's natural fortifications made it a strategic location for a military base.