Choose your answer: Is "With the defeat of Marshal Bazaine's Army of the Rhine at Gravelotte, the French were forced to retire to Metz, where they were besieged by over 150,000 Prussian troops of the First and Second Armies." a good answer to the question "What factor forced the French to retreat to Metz?"
pick from the following.
(I). yes
(II). no
(I).