How does love triumph over hate in life is beautiful?

Despite alll the death and destruction Giosue climbs out of the cabinet to see an American soldier. An American soldier pulls him up into the tank, and they ride out of the camp. As they pass the crowds of escaped prisoners, Giosue recognizes his mother and runs to her. She wraps him in a tight embrace. "We won!" he cries out. "Yes, we won," Dora says.