 Complete the following phrase:  The next series of battles were efforts to breach the Winter Line and became part of the opening phase of the Battle of Monte Cassino. On 19 January 1944, the division made three attempts to cross the Garigliano, at the confluence of the rivers Liri and Gari. The swift current and German resistance defeated these efforts. DUKWs, which had been available, had been withdrawn for training exercises to prepare for the upcoming 