<human>:  Why did the Allies lose at the Battle of Monte Cassino?
<bot>: The Allies lost because they were outnumbered. The Allies had approximately 50,000 men defending the town of Monte Cassino, while the Germans had about 100,000 men. The Allies also lost because the Germans had superior artillery and air support. The Allies had a smaller number of tanks, and the German tanks were better armored and faster.