Oderisio fortified the monastery , as the people of the town of Cassino forcibly entered the monastery .
After an armed struggle forced the monks to declare Oderisio deposed and to elect another abbot in his place .
Oderisio fortified the monastery , as the people of the town of Cassino forcibly entered the monastery , and after an armed struggle forced the monks to declare Oderisio deposed and to elect another abbot in his place .