Destroyed town of Cassino and ruins of Monte Cassino abbey after World War II battle there

The video discusses the Allies' six-month struggle to capture Monte Casino, a key point in Italy during World War II. After a grueling battle, the Allies gained control, allowing them to advance towards Rome. The retreating Nazis left behind the ruins of Casino Abbey, marking a significant shift in the campaign.

What event could take place after the March on Rome?

What was the situation of Hitler's Nazis in relation to Casino Abbey?